Cisco Bug: CSCup86835 - Glare between 2 UPDATEs where CUCM not sending 200 OK to INVITE.
Nov 10, 2017
- Cisco Unified Communications Manager (CallManager)
Known Affected Releases
Symptom: Glare between 2 UPDATEs where CUCM not sending 200 OK to INVITE. Call forwards back to ITSP involving Unity connection can fail due to this timing issue. Conditions: Call flow: TELCO=>sip=>CUBE=>sip=>CUCM=> CUC =>CUCM=>sip=>CUBE=>sip=>Telco UPDATE needs to be enabled in this call flow, and Telco shouldn't be supporting the UPDATE
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Bug Details Include
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