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Cisco Bug: CSCvs10565 - CUCM ignores ACK for a Re-INVITE if it gets any intermediate UPDATE before the transaction completes

Last Modified

Aug 20, 2020

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases

12.5(1.10000.22)

Description (partial)

Symptom:
Customer is not able to transfer the call.

Conditions:
1)Running CUCM version should contain fix for CSCve07671.
2)UPDATE request should reach CUCM before Re-INVITE transaction completes with an ACK.

Related Community Discussions

<key>CSCvs10565</key> - CUCM ignores ACK for a Re-INVITE if it gets any intermediate UPDATE before the transaction completes
Hey All,   We are currently experiencing this bug in a production environment. What's happening is anytime Cisco communicates with a third party sip vendor that happens to send 2 UPDATE's before Cisco respond wigs Cisco out and it will start treating the call as one-way conversation. The specific use case for our organization is anytime Phone A (Cisco)  is transferred from Phone B(3rd Party Voice System) to Phone C (Same 3rd Party Voice System) One Way Audio will occur and the call will actually ...
Latest activity: Jan 30, 2020
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