SEC Info  
    Home      Search      My Interests      Help      Sign In      Please Sign In

Casa Systems Inc. – ‘10-Q’ for 6/30/22 – ‘EX-101.CAL’

On:  Thursday, 8/4/22, at 4:55pm ET   ·   For:  6/30/22   ·   Accession #:  950170-22-14845   ·   File #:  1-38324

Previous ‘10-Q’:  ‘10-Q’ on 5/4/22 for 3/31/22   ·   Next:  ‘10-Q’ on 11/9/22 for 9/30/22   ·   Latest:  ‘10-Q’ on 11/8/23 for 9/30/23   ·   3 References:   

Find Words in Filings emoji
 
  in    Show  and   Hints

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 8/04/22  Casa Systems Inc.                 10-Q        6/30/22   95:14M                                    Donnelley … Solutions/FA

Quarterly Report   —   Form 10-Q

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Quarterly Report                                    HTML   4.14M 
 2: EX-10.1     Material Contract                                   HTML     53K 
 3: EX-31.1     Certification -- §302 - SOA'02                      HTML     34K 
 4: EX-31.2     Certification -- §302 - SOA'02                      HTML     35K 
 5: EX-32.1     Certification -- §906 - SOA'02                      HTML     31K 
 6: EX-32.2     Certification -- §906 - SOA'02                      HTML     31K 
12: R1          Document and Entity Information                     HTML     82K 
13: R2          Condensed Consolidated Balance Sheets (Unaudited)   HTML    151K 
14: R3          Condensed Consolidated Balance Sheets (Unaudited)   HTML     55K 
                (Parenthetical)                                                  
15: R4          Condensed Consolidated Statements of Operations     HTML    131K 
                and Comprehensive (Loss) Income (Unaudited)                      
16: R5          Condensed Consolidated Statements of Operations     HTML     32K 
                and Comprehensive (Loss) Income (Unaudited)                      
                (Parenthetical)                                                  
17: R6          Condensed Consolidated Statements of Stockholders'  HTML     96K 
                Equity (Unaudited)                                               
18: R7          Condensed Consolidated Statements of Cash Flows     HTML    126K 
                (Unaudited)                                                      
19: R8          Nature of Business and Basis of Presentation        HTML     39K 
20: R9          Summary of Significant Accounting Policies          HTML    170K 
21: R10         Goodwill and Intangible Assets                      HTML    155K 
22: R11         Inventory                                           HTML     54K 
23: R12         Property and Equipment                              HTML     82K 
24: R13         Accrued Expenses and Other Current Liabilities      HTML     79K 
25: R14         Fair Value Measurements                             HTML    152K 
26: R15         Income Taxes                                        HTML     38K 
27: R16         Debt                                                HTML    112K 
28: R17         Stockholders' Equity                                HTML     41K 
29: R18         Stock-based Compensation                            HTML    318K 
30: R19         Net (Loss) Income per Share                         HTML    139K 
31: R20         Revenue from Contracts with Customers               HTML    218K 
32: R21         Segment Information                                 HTML     58K 
33: R22         Related Parties                                     HTML     43K 
34: R23         Commitments and Contingencies                       HTML     42K 
35: R24         Summary of Significant Accounting Policies          HTML    188K 
                (Policies)                                                       
36: R25         Summary of Significant Accounting Policies          HTML    144K 
                (Tables)                                                         
37: R26         Goodwill and Intangible Assets (Tables)             HTML    157K 
38: R27         Inventory (Tables)                                  HTML     52K 
39: R28         Property and Equipment (Tables)                     HTML     75K 
40: R29         Accrued Expenses and Other Current Liabilities      HTML     77K 
                (Tables)                                                         
41: R30         Fair Value Measurements (Tables)                    HTML    153K 
42: R31         Debt (Tables)                                       HTML     83K 
43: R32         Stock-based Compensation (Tables)                   HTML    310K 
44: R33         Net (Loss) Income per Share (Tables)                HTML    140K 
45: R34         Revenue from Contracts with Customers (Tables)      HTML    202K 
46: R35         Segment Information (Tables)                        HTML     53K 
47: R36         Summary of Significant Accounting Policies -        HTML     68K 
                Additional Information (Details)                                 
48: R37         Summary of Significant Accounting Policies -        HTML     40K 
                Summary of Reconciliation of Cash, Cash                          
                Equivalents and Restricted Cash in Accompanying                  
                Condensed Consolidated Balance Sheets (Details)                  
49: R38         Summary of Significant Accounting Policies -        HTML     43K 
                Schedule of Accounts Receivable (Details)                        
50: R39         Summary of Significant Accounting Policies -        HTML     51K 
                Schedule of Significant Customers Represent 10% or               
                More of Revenue or Accounts Receivable (Details)                 
51: R40         Goodwill and Intangible Assets - Schedule of        HTML     47K 
                Intangible Assets, Net (Details)                                 
52: R41         Goodwill and Intangible Assets - Schedule of        HTML     43K 
                Amortization Expense on Existing Intangible Assets               
                (Details)                                                        
53: R42         Goodwill and Intangible Assets - Summary of         HTML     38K 
                Amortization Expense (Details)                                   
54: R43         Goodwill and Intangible Assets - Additional         HTML     31K 
                Information (Details)                                            
55: R44         Inventory - Schedule of Inventory (Details)         HTML     37K 
56: R45         Inventory - Additional Information (Details)        HTML     29K 
57: R46         Property and Equipment - Summary of Components of   HTML     53K 
                Property and Equipment (Details)                                 
58: R47         Property and Equipment - Additional Information     HTML     37K 
                (Details)                                                        
59: R48         Accrued Expenses and Other Current Liabilities -    HTML     38K 
                Schedule of Accrued Expenses and Other Current                   
                Liabilities (Details)                                            
60: R49         Accrued Expenses and Other Current Liabilities -    HTML     40K 
                Additional Information (Details)                                 
61: R50         Accrued Expenses and Other Current Liabilities -    HTML     35K 
                Summary of Changes in Amount Reserved for Warranty               
                Costs (Details)                                                  
62: R51         Fair Value Measurements - Fair Value of Financial   HTML     53K 
                Assets and Liabilities (Details)                                 
63: R52         Fair Value Measurements - Additional Information    HTML     44K 
                (Details)                                                        
64: R53         Fair Value Measurements - Summary of Changes in     HTML     39K 
                Fair Values of Stock Appreciation Rights (SARs)                  
                Liability (Details)                                              
65: R54         Income Taxes - Additional Information (Details)     HTML     34K 
66: R55         Debt - Additional Information (Details)             HTML     98K 
67: R56         Debt - Schedule of Current and Non-Current Debt     HTML     43K 
                Obligations (Details)                                            
68: R57         Debt - Schedule of Aggregate Minimum Future         HTML     36K 
                Principal Payments of Debt (Details)                             
69: R58         Stockholders' Equity - Additional Information       HTML     59K 
                (Details)                                                        
70: R59         Stock-based Compensation - Additional Information   HTML     93K 
                (Details)                                                        
71: R60         Stock-based Compensation - Summary Stock Options    HTML     77K 
                Activity (Details)                                               
72: R61         Stock-based Compensation - Assumptions of           HTML     46K 
                Estimated Fair Value of Option on the Date of                    
                Grant Using Black-Scholes Option Pricing Model                   
                (Details)                                                        
73: R62         Stock-based Compensation - Summary of RSU Activity  HTML     53K 
                (Details)                                                        
74: R63         Stock-based Compensation - Summary of PSU Activity  HTML     45K 
                (Details)                                                        
75: R64         Stock-based Compensation - Assumptions of           HTML     39K 
                Estimated Based on Monte Carlo Simulation Model                  
                (Details)                                                        
76: R65         Stock-based Compensation - Assumptions of           HTML     32K 
                Estimated Based on Monte Carlo Simulation Model                  
                (Parenthetical) (Details)                                        
77: R66         Stock-based Compensation - Summary of SAR Activity  HTML     39K 
                (Details)                                                        
78: R67         Stock-based Compensation - Schedule of Stock-based  HTML     38K 
                Compensation Expense (Details)                                   
79: R68         Stock-based Compensation - Summary of Stock-based   HTML     35K 
                Compensation Expense Recognized in the                           
                Consolidated Balance Sheet (Details)                             
80: R69         Net (Loss) Income per Share - Schedule of Basic     HTML     64K 
                and Diluted Net (Loss) Income Per Share                          
                Attributable to Common Stockholders (Details)                    
81: R70         Net (Loss) Income per Share - Schedule of           HTML     38K 
                Potential Common Shares Excluded from the                        
                Computation of Diluted Net (Loss) Income Per Share               
                Attributable to Common Stockholders (Details)                    
                (Details)                                                        
82: R71         Revenue from Contracts with Customers - Summary of  HTML     55K 
                Disaggregation of Revenue Based on Geographic                    
                Locations Determined by Customer's Shipping                      
                Address (Details)                                                
83: R72         Revenue from Contracts with Customers - Summary of  HTML     37K 
                Disaggregation of Revenue Based on Geographic                    
                Locations Determined by Customer's Shipping                      
                Address (Parenthetical) (Details)                                
84: R73         Revenue from Contracts with Customers - Summary of  HTML     54K 
                Disaggregates of Revenue Based on Product Line                   
                (Details)                                                        
85: R74         Revenue from Contracts with Customers - Additional  HTML     43K 
                Information (Details)                                            
86: R75         Revenue from Contracts with Customers - Additional  HTML     39K 
                Information (Details1)                                           
87: R76         Segment Information - Additional Information        HTML     30K 
                (Details)                                                        
88: R77         Segment Information - Schedule of Property and      HTML     39K 
                Equipment, Net by Location (Details)                             
89: R78         Related Parties - Additional Information (Details)  HTML     60K 
90: R79         Commitments and Contingencies - Additional          HTML     39K 
                Information (Details)                                            
93: XML         IDEA XML File -- Filing Summary                      XML    180K 
91: XML         XBRL Instance -- casa-20220630_htm                   XML   3.67M 
92: EXCEL       IDEA Workbook of Financial Reports                  XLSX    160K 
 8: EX-101.CAL  XBRL Calculations -- casa-20220630_cal               XML    173K 
11: EX-101.DEF  XBRL Definitions -- casa-20220630_def                XML    745K 
10: EX-101.LAB  XBRL Labels -- casa-20220630_lab                     XML   1.42M 
 7: EX-101.PRE  XBRL Presentations -- casa-20220630_pre              XML   1.13M 
 9: EX-101.SCH  XBRL Schema -- casa-20220630                         XSD    193K 
94: JSON        XBRL Instance as JSON Data -- MetaLinks              446±   740K 
95: ZIP         XBRL Zipped Folder -- 0000950170-22-014845-xbrl      Zip    396K 


‘EX-101.CAL’   —   XBRL Calculations — casa-20220630_cal


This Exhibit is an XBRL XML File.


                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<!-- DFIN New ActiveDisclosure (SM) XBRL Linkbase Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date :2022-08-04T16:44:52.4940+00:00 -->
<!-- Copyright (c) 2022 Donnelly Financial Solutions, Inc. All Rights Reserved. -->
<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<link:roleRef roleURI="http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited" xlink:href="casa-20220630.xsd#Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited" xlink:type="simple"/>
<link:roleRef roleURI="http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited" xlink:href="casa-20220630.xsd#Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited" xlink:type="simple"/>
<link:roleRef roleURI="http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" xlink:href="casa-20220630.xsd#Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" xlink:type="simple"/>
<link:roleRef roleURI="http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesSummaryOfReconciliationOfCashCashEquivalentsAndRestrictedCashInAccompanyingCondensedConsolidatedBalanceSheetsDetails" xlink:href="casa-20220630.xsd#Role_DisclosureSummaryOfSignificantAccountingPoliciesSummaryOfReconciliationOfCashCashEquivalentsAndRestrictedCashInAccompanyingCondensedConsolidatedBalanceSheetsDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfAccountsReceivableDetails" xlink:href="casa-20220630.xsd#Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfAccountsReceivableDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfIntangibleAssetsNetDetails" xlink:href="casa-20220630.xsd#Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfIntangibleAssetsNetDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfAmortizationExpenseOnExistingIntangibleAssetsDetails" xlink:href="casa-20220630.xsd#Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfAmortizationExpenseOnExistingIntangibleAssetsDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureInventoryScheduleOfInventoryDetails" xlink:href="casa-20220630.xsd#Role_DisclosureInventoryScheduleOfInventoryDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosurePropertyAndEquipmentSummaryOfComponentsOfPropertyAndEquipmentDetails" xlink:href="casa-20220630.xsd#Role_DisclosurePropertyAndEquipmentSummaryOfComponentsOfPropertyAndEquipmentDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesScheduleOfAccruedExpensesAndOtherCurrentLiabilitiesDetails" xlink:href="casa-20220630.xsd#Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesScheduleOfAccruedExpensesAndOtherCurrentLiabilitiesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtScheduleOfCurrentAndNonCurrentDebtObligationsDetails" xlink:href="casa-20220630.xsd#Role_DisclosureDebtScheduleOfCurrentAndNonCurrentDebtObligationsDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtScheduleOfAggregateMinimumFuturePrincipalPaymentsOfDebtDetails" xlink:href="casa-20220630.xsd#Role_DisclosureDebtScheduleOfAggregateMinimumFuturePrincipalPaymentsOfDebtDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfStockBasedCompensationExpenseRecognizedInConsolidatedBalanceSheetDetails" xlink:href="casa-20220630.xsd#Role_DisclosureStockBasedCompensationSummaryOfStockBasedCompensationExpenseRecognizedInConsolidatedBalanceSheetDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureNetLossIncomePerShareScheduleOfBasicAndDilutedNetLossIncomePerShareAttributableToCommonStockholdersDetails" xlink:href="casa-20220630.xsd#Role_DisclosureNetLossIncomePerShareScheduleOfBasicAndDilutedNetLossIncomePerShareAttributableToCommonStockholdersDetails" xlink:type="simple"/>
<link:calculationLink xlink:type="extended" xlink:role="http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited">
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AssetsCurrent" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue" order="0" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesCurrent" xlink:to="us-gaap_AccountsPayableCurrent" order="0" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_PreferredStockValue" order="0" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="us-gaap_AssetsCurrent" order="0" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Liabilities" xlink:to="us-gaap_LiabilitiesCurrent" order="0" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_Liabilities" order="0" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Liabilities" xlink:to="us-gaap_AccruedIncomeTaxesNoncurrent" order="1" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesCurrent" xlink:to="casa_AccruedExpensesAndOtherCurrentLiabilitiesCurrent" order="1" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AssetsCurrent" xlink:to="us-gaap_AccountsReceivableNetCurrent" order="1" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_CommitmentsAndContingencies" order="1" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="us-gaap_PropertyPlantAndEquipmentNet" order="1" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_CommonStockValue" order="1" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_TreasuryStockValue" order="2" weight="-1" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AssetsCurrent" xlink:to="us-gaap_InventoryNet" order="2" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_StockholdersEquity" order="2" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="us-gaap_AccountsReceivableNetNoncurrent" order="2" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesCurrent" xlink:to="us-gaap_AccruedIncomeTaxesCurrent" order="2" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Liabilities" xlink:to="us-gaap_DeferredIncomeTaxLiabilitiesNet" order="2" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AssetsCurrent" xlink:to="us-gaap_PrepaidExpenseAndOtherAssetsCurrent" order="3" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesCurrent" xlink:to="us-gaap_ContractWithCustomerLiabilityCurrent" order="3" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_AdditionalPaidInCapitalCommonStock" order="3" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="us-gaap_DeferredIncomeTaxAssetsNet" order="3" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Liabilities" xlink:to="us-gaap_ContractWithCustomerLiabilityNoncurrent" order="3" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AssetsCurrent" xlink:to="us-gaap_PrepaidTaxes" order="4" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="us-gaap_Goodwill" order="4" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesCurrent" xlink:to="us-gaap_LongTermDebtCurrent" order="4" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Liabilities" xlink:to="us-gaap_LongTermDebtNoncurrent" order="4" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" order="4" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_RetainedEarningsAccumulatedDeficit" order="5" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Liabilities" xlink:to="us-gaap_OtherLiabilitiesNoncurrent" order="5" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="us-gaap_IntangibleAssetsNetExcludingGoodwill" order="5" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="us-gaap_OtherAssetsNoncurrent" order="6" weight="1.00" use="optional"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetsCurrent" xlink:label="us-gaap_AssetsCurrent"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesCurrent" xlink:label="us-gaap_LiabilitiesCurrent"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsPayableCurrent" xlink:label="us-gaap_AccountsPayableCurrent"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquity" xlink:label="us-gaap_StockholdersEquity"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreferredStockValue" xlink:label="us-gaap_PreferredStockValue"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Assets" xlink:label="us-gaap_Assets"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Liabilities" xlink:label="us-gaap_Liabilities"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccruedIncomeTaxesNoncurrent" xlink:label="us-gaap_AccruedIncomeTaxesNoncurrent"/>
<link:loc xlink:type="locator" xlink:href="casa-20220630.xsd#casa_AccruedExpensesAndOtherCurrentLiabilitiesCurrent" xlink:label="casa_AccruedExpensesAndOtherCurrentLiabilitiesCurrent"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="us-gaap_AccountsReceivableNetCurrent"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="us-gaap_CommitmentsAndContingencies"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="us-gaap_PropertyPlantAndEquipmentNet"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockValue" xlink:label="us-gaap_CommonStockValue"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TreasuryStockValue" xlink:label="us-gaap_TreasuryStockValue"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryNet" xlink:label="us-gaap_InventoryNet"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsReceivableNetNoncurrent" xlink:label="us-gaap_AccountsReceivableNetNoncurrent"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccruedIncomeTaxesCurrent" xlink:label="us-gaap_AccruedIncomeTaxesCurrent"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet" xlink:label="us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ContractWithCustomerLiabilityCurrent" xlink:label="us-gaap_ContractWithCustomerLiabilityCurrent"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredIncomeTaxAssetsNet" xlink:label="us-gaap_DeferredIncomeTaxAssetsNet"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ContractWithCustomerLiabilityNoncurrent" xlink:label="us-gaap_ContractWithCustomerLiabilityNoncurrent"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PrepaidTaxes" xlink:label="us-gaap_PrepaidTaxes"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Goodwill" xlink:label="us-gaap_Goodwill"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtCurrent" xlink:label="us-gaap_LongTermDebtCurrent"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="us-gaap_LongTermDebtNoncurrent"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="us-gaap_OtherLiabilitiesNoncurrent"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="us-gaap_OtherAssetsNoncurrent"/>
</link:calculationLink>
<link:calculationLink xlink:type="extended" xlink:role="http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSSINCOMEUnaudited">
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OperatingExpenses" xlink:to="us-gaap_ResearchAndDevelopmentExpense" order="0" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NonoperatingIncomeExpense" xlink:to="us-gaap_InvestmentIncomeInterest" order="0" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_GrossProfit" xlink:to="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" order="0" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:to="us-gaap_OperatingIncomeLoss" order="0" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OperatingIncomeLoss" xlink:to="us-gaap_GrossProfit" order="0" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" order="0" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_ComprehensiveIncomeNetOfTax" xlink:to="us-gaap_NetIncomeLoss" order="0" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NonoperatingIncomeExpense" xlink:to="us-gaap_InterestExpense" order="1" weight="-1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OperatingExpenses" xlink:to="us-gaap_SellingGeneralAndAdministrativeExpense" order="1" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OperatingIncomeLoss" xlink:to="us-gaap_OperatingExpenses" order="1" weight="-1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_GrossProfit" xlink:to="us-gaap_CostOfGoodsAndServicesSold" order="1" weight="-1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:to="us-gaap_NonoperatingIncomeExpense" order="1" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_IncomeTaxExpenseBenefit" order="1" weight="-1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_ComprehensiveIncomeNetOfTax" xlink:to="us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent" order="1" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NonoperatingIncomeExpense" xlink:to="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" order="2" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NonoperatingIncomeExpense" xlink:to="us-gaap_OtherNonoperatingIncomeExpense" order="3" weight="1.00" use="optional"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingExpenses" xlink:label="us-gaap_OperatingExpenses"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="us-gaap_ResearchAndDevelopmentExpense"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="us-gaap_NonoperatingIncomeExpense"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="us-gaap_InvestmentIncomeInterest"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GrossProfit" xlink:label="us-gaap_GrossProfit"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingIncomeLoss" xlink:label="us-gaap_OperatingIncomeLoss"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InterestExpense" xlink:label="us-gaap_InterestExpense"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CostOfGoodsAndServicesSold" xlink:label="us-gaap_CostOfGoodsAndServicesSold"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="us-gaap_IncomeTaxExpenseBenefit"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent" xlink:label="us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="us-gaap_OtherNonoperatingIncomeExpense"/>
</link:calculationLink>
<link:calculationLink xlink:type="extended" xlink:role="http://www.casa-systems.com/20220630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited">
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_NetIncomeLoss" order="0" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" order="0" weight="-1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_RepaymentsOfDebt" order="0" weight="-1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities" order="0" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_ProceedsFromStockOptionsExercised" order="1" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_DepreciationDepletionAndAmortization" order="1" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="casa_PaymentsToAcquireSoftwareLicense" order="1" weight="-1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivities" order="1" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_ShareBasedCompensation" order="2" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivities" order="2" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="casa_EmployeeTaxesPaidRelatedToNetShareSettlementOfEquityAwards" order="2" weight="-1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_ProceedsFromIssuanceOfCommonStock" order="3" weight="1" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" order="3" weight="1" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_DeferredIncomeTaxesAndTaxCredits" order="3" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="casa_PaymentsOfDividendsAndEquitableAdjustments" order="4" weight="-1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_ProvisionForDoubtfulAccounts" order="4" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_PaymentsForRepurchaseOfCommonStock" order="5" weight="-1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="casa_ChangeInProvisionForExcessAndObsoleteInventory" order="5" weight="-1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_GainLossOnDispositionOfAssets" order="7" weight="-1" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_IncreaseDecreaseInAccountsReceivable" order="8" weight="-1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_IncreaseDecreaseInInventories" order="9" weight="-1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" order="10" weight="-1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="casa_IncreaseDecreaseInPrepaidIncomeTaxes" order="11" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_IncreaseDecreaseInAccountsPayable" order="12" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_IncreaseDecreaseInAccruedLiabilities" order="13" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable" order="14" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_IncreaseDecreaseInContractWithCustomerLiability" order="15" weight="1.00" use="optional"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RepaymentsOfDebt" xlink:label="us-gaap_RepaymentsOfDebt"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="us-gaap_ProceedsFromStockOptionsExercised"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="us-gaap_DepreciationDepletionAndAmortization"/>
<link:loc xlink:type="locator" xlink:href="casa-20220630.xsd#casa_PaymentsToAcquireSoftwareLicense" xlink:label="casa_PaymentsToAcquireSoftwareLicense"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensation" xlink:label="us-gaap_ShareBasedCompensation"/>
<link:loc xlink:type="locator" xlink:href="casa-20220630.xsd#casa_EmployeeTaxesPaidRelatedToNetShareSettlementOfEquityAwards" xlink:label="casa_EmployeeTaxesPaidRelatedToNetShareSettlementOfEquityAwards"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xlink:label="us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredIncomeTaxesAndTaxCredits" xlink:label="us-gaap_DeferredIncomeTaxesAndTaxCredits"/>
<link:loc xlink:type="locator" xlink:href="casa-20220630.xsd#casa_PaymentsOfDividendsAndEquitableAdjustments" xlink:label="casa_PaymentsOfDividendsAndEquitableAdjustments"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="us-gaap_ProvisionForDoubtfulAccounts"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock"/>
<link:loc xlink:type="locator" xlink:href="casa-20220630.xsd#casa_ChangeInProvisionForExcessAndObsoleteInventory" xlink:label="casa_ChangeInProvisionForExcessAndObsoleteInventory"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GainLossOnDispositionOfAssets" xlink:label="us-gaap_GainLossOnDispositionOfAssets"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="us-gaap_IncreaseDecreaseInInventories"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
<link:loc xlink:type="locator" xlink:href="casa-20220630.xsd#casa_IncreaseDecreaseInPrepaidIncomeTaxes" xlink:label="casa_IncreaseDecreaseInPrepaidIncomeTaxes"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInAccountsPayable" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayable"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities" xlink:label="us-gaap_IncreaseDecreaseInAccruedLiabilities"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable" xlink:label="us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerLiability" xlink:label="us-gaap_IncreaseDecreaseInContractWithCustomerLiability"/>
</link:calculationLink>
<link:calculationLink xlink:type="extended" xlink:role="http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesSummaryOfReconciliationOfCashCashEquivalentsAndRestrictedCashInAccompanyingCondensedConsolidatedBalanceSheetsDetails">
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue" order="0" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:to="us-gaap_RestrictedCashNoncurrent" order="1" weight="1.00" use="optional"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestrictedCashNoncurrent" xlink:label="us-gaap_RestrictedCashNoncurrent"/>
</link:calculationLink>
<link:calculationLink xlink:type="extended" xlink:role="http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfAccountsReceivableDetails">
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AccountsReceivableNet" xlink:to="us-gaap_AccountsReceivableNetCurrent" order="0" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AccountsReceivableNet" xlink:to="us-gaap_AccountsReceivableNetNoncurrent" order="1" weight="1.00" use="optional"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsReceivableNet" xlink:label="us-gaap_AccountsReceivableNet"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="us-gaap_AccountsReceivableNetCurrent"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsReceivableNetNoncurrent" xlink:label="us-gaap_AccountsReceivableNetNoncurrent"/>
</link:calculationLink>
<link:calculationLink xlink:type="extended" xlink:role="http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfIntangibleAssetsNetDetails">
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_FiniteLivedIntangibleAssetsNet" xlink:to="us-gaap_FiniteLivedIntangibleAssetsGross" order="0" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_FiniteLivedIntangibleAssetsNet" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" order="1" weight="-1.00" use="optional"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
</link:calculationLink>
<link:calculationLink xlink:type="extended" xlink:role="http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureGoodwillAndIntangibleAssetsScheduleOfAmortizationExpenseOnExistingIntangibleAssetsDetails">
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_FiniteLivedIntangibleAssetsNet" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear" order="0" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_FiniteLivedIntangibleAssetsNet" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" order="1" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_FiniteLivedIntangibleAssetsNet" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" order="2" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_FiniteLivedIntangibleAssetsNet" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" order="3" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_FiniteLivedIntangibleAssetsNet" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" order="4" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_FiniteLivedIntangibleAssetsNet" xlink:to="casa_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFour" order="5" weight="1.00" use="optional"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour"/>
<link:loc xlink:type="locator" xlink:href="casa-20220630.xsd#casa_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFour" xlink:label="casa_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFour"/>
</link:calculationLink>
<link:calculationLink xlink:type="extended" xlink:role="http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureInventoryScheduleOfInventoryDetails">
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_InventoryNet" xlink:to="us-gaap_InventoryRawMaterialsNetOfReserves" order="0" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_InventoryNet" xlink:to="casa_ManufacturedFinishedGoodsNetOfReserves" order="1" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_InventoryNet" xlink:to="casa_DeferredInventoryCostsNetOfReserves" order="2" weight="1.00" use="optional"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryNet" xlink:label="us-gaap_InventoryNet"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryRawMaterialsNetOfReserves" xlink:label="us-gaap_InventoryRawMaterialsNetOfReserves"/>
<link:loc xlink:type="locator" xlink:href="casa-20220630.xsd#casa_ManufacturedFinishedGoodsNetOfReserves" xlink:label="casa_ManufacturedFinishedGoodsNetOfReserves"/>
<link:loc xlink:type="locator" xlink:href="casa-20220630.xsd#casa_DeferredInventoryCostsNetOfReserves" xlink:label="casa_DeferredInventoryCostsNetOfReserves"/>
</link:calculationLink>
<link:calculationLink xlink:type="extended" xlink:role="http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosurePropertyAndEquipmentSummaryOfComponentsOfPropertyAndEquipmentDetails">
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_PropertyPlantAndEquipmentNet" xlink:to="us-gaap_PropertyPlantAndEquipmentGross" order="0" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_PropertyPlantAndEquipmentNet" xlink:to="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" order="1" weight="-1.00" use="optional"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="us-gaap_PropertyPlantAndEquipmentNet"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="us-gaap_PropertyPlantAndEquipmentGross"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
</link:calculationLink>
<link:calculationLink xlink:type="extended" xlink:role="http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureAccruedExpensesAndOtherCurrentLiabilitiesScheduleOfAccruedExpensesAndOtherCurrentLiabilitiesDetails">
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="casa_AccruedExpensesAndOtherCurrentLiabilitiesCurrent" xlink:to="us-gaap_EmployeeRelatedLiabilitiesCurrent" order="0" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="casa_AccruedExpensesAndOtherCurrentLiabilitiesCurrent" xlink:to="us-gaap_ProductWarrantyAccrualClassifiedCurrent" order="1" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="casa_AccruedExpensesAndOtherCurrentLiabilitiesCurrent" xlink:to="casa_InventoryRelatedAccrualsLiabilitiesCurrent" order="2" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="casa_AccruedExpensesAndOtherCurrentLiabilitiesCurrent" xlink:to="us-gaap_OtherAccruedLiabilitiesCurrent" order="3" weight="1.00" use="optional"/>
<link:loc xlink:type="locator" xlink:href="casa-20220630.xsd#casa_AccruedExpensesAndOtherCurrentLiabilitiesCurrent" xlink:label="casa_AccruedExpensesAndOtherCurrentLiabilitiesCurrent"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="us-gaap_EmployeeRelatedLiabilitiesCurrent"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProductWarrantyAccrualClassifiedCurrent" xlink:label="us-gaap_ProductWarrantyAccrualClassifiedCurrent"/>
<link:loc xlink:type="locator" xlink:href="casa-20220630.xsd#casa_InventoryRelatedAccrualsLiabilitiesCurrent" xlink:label="casa_InventoryRelatedAccrualsLiabilitiesCurrent"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherAccruedLiabilitiesCurrent" xlink:label="us-gaap_OtherAccruedLiabilitiesCurrent"/>
</link:calculationLink>
<link:calculationLink xlink:type="extended" xlink:role="http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtScheduleOfCurrentAndNonCurrentDebtObligationsDetails">
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LongTermDebtCurrent" xlink:to="casa_LongTermDebtGrossCurrent" order="0" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LongTermDebtNoncurrent" xlink:to="casa_LongTermDebtGrossNoncurrent" order="0" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LongTermDebtCurrent" xlink:to="us-gaap_DeferredFinanceCostsCurrentNet" order="1" weight="-1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LongTermDebtNoncurrent" xlink:to="us-gaap_DeferredFinanceCostsNoncurrentNet" order="1" weight="-1.00" use="optional"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtCurrent" xlink:label="us-gaap_LongTermDebtCurrent"/>
<link:loc xlink:type="locator" xlink:href="casa-20220630.xsd#casa_LongTermDebtGrossCurrent" xlink:label="casa_LongTermDebtGrossCurrent"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="us-gaap_LongTermDebtNoncurrent"/>
<link:loc xlink:type="locator" xlink:href="casa-20220630.xsd#casa_LongTermDebtGrossNoncurrent" xlink:label="casa_LongTermDebtGrossNoncurrent"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredFinanceCostsCurrentNet" xlink:label="us-gaap_DeferredFinanceCostsCurrentNet"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredFinanceCostsNoncurrentNet" xlink:label="us-gaap_DeferredFinanceCostsNoncurrentNet"/>
</link:calculationLink>
<link:calculationLink xlink:type="extended" xlink:role="http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureDebtScheduleOfAggregateMinimumFuturePrincipalPaymentsOfDebtDetails">
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LongTermDebt" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear" order="0" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LongTermDebt" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" order="1" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LongTermDebt" xlink:to="casa_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour" order="2" weight="1.00" use="optional"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebt" xlink:label="us-gaap_LongTermDebt"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths"/>
<link:loc xlink:type="locator" xlink:href="casa-20220630.xsd#casa_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour" xlink:label="casa_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour"/>
</link:calculationLink>
<link:calculationLink xlink:type="extended" xlink:role="http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfStockBasedCompensationExpenseRecognizedInConsolidatedBalanceSheetDetails">
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AllocatedShareBasedCompensationExpense" xlink:to="casa_StockBasedCompensationRecognizedAsChangeInFairValueOfOutstandingSARLiability" order="0" weight="-1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_AllocatedShareBasedCompensationExpense" xlink:to="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" order="1" weight="-1.00" use="optional"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense"/>
<link:loc xlink:type="locator" xlink:href="casa-20220630.xsd#casa_StockBasedCompensationRecognizedAsChangeInFairValueOfOutstandingSARLiability" xlink:label="casa_StockBasedCompensationRecognizedAsChangeInFairValueOfOutstandingSARLiability"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
</link:calculationLink>
<link:calculationLink xlink:type="extended" xlink:role="http://www.casa-systems.com/20220630/taxonomy/role/Role_DisclosureNetLossIncomePerShareScheduleOfBasicAndDilutedNetLossIncomePerShareAttributableToCommonStockholdersDetails">
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" order="0" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="casa_DilutiveEffectOfStockOptions" order="1" weight="1.00" use="optional"/>
<link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="casa_DilutiveEffectOfRestrictedStockUnits" order="2" weight="1.00" use="optional"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
<link:loc xlink:type="locator" xlink:href="casa-20220630.xsd#casa_DilutiveEffectOfStockOptions" xlink:label="casa_DilutiveEffectOfStockOptions"/>
<link:loc xlink:type="locator" xlink:href="casa-20220630.xsd#casa_DilutiveEffectOfRestrictedStockUnits" xlink:label="casa_DilutiveEffectOfRestrictedStockUnits"/>
</link:calculationLink>
</link:linkbase>


1 Subsequent Filing that References this Filing

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 3/15/23  Casa Systems Inc.                 10-K       12/31/22  118:21M                                    Donnelley … Solutions/FA


2 Previous Filings that this Filing References

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 4/18/22  Casa Systems Inc.                 8-K:1,3,7,9 4/18/22   12:366K                                   Donnelley … Solutions/FA
12/19/17  Casa Systems Inc.                 8-K:5,9    12/19/17    3:190K                                   Donnelley … Solutions/FA
Top
Filing Submission 0000950170-22-014845   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)

Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
AboutPrivacyRedactionsHelp — Thu., May 2, 4:48:29.1pm ET