Cisco Bug: CSCup87243 - Re-INVITE to Incorrect URI after glare with Target-Refresh Re-INVITE.
Feb 07, 2019
- Cisco Unified Communications Manager (CallManager)
Known Affected Releases
Symptom: CUCM is sending Re-INVITE to Incorrect Remote Target URI after glare with Target-Refresh Re-INVITE. Conditions: There are three endpoints involved in the call scenario. Endpoint1 Initiates the call and endpoint2 receives it and responds back with a 200 ok. A Glare condition occurs when endpoint1 and endpoint2 sends a re-invite at the same time. 1. Re-INVITE from endpoint1 to CUCM 2. Re-INVITE from CUCM to endpoint2 3. Re-INVITE(Target Refresh Request) from endpoint2 to CUCM with "Contact:endpoint3". Glare occurs. 4. CUCM & SIPP2 sends 491 & ACK to each other. 5. CUCM sets Request Pending Timer as 4000 ms. 6. After back-off timer of 4 sec CUCM sends Re-INVITE to endpoint2 with Remote Target URI is endpoint3.
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Bug Details Include
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