Cisco Bug: CSCut46615 - Ucm does not respond back to an INVITE request
Sep 17, 2018
- Cisco Unified Communications Manager (CallManager)
Known Affected Releases
Symptom: Call drop seen for a SIP to SIP call due to SIP signal racing Conditions: SIPPh1------UCM-------------SIPPh2 Intial call setup fine. Due to session expiry/ security update, CUCM sends re-invite to SIP Ph2 Before the Answer from SIP Phone 2 reaches SIP Phone 1 side, New offer triggered from SIP Phone 1 resulting in race condition.
Bug details contain sensitive information and therefore require a Cisco.com account to be viewed.
Bug Details Include
- Full Description (including symptoms, conditions and workarounds)
- Known Fixed Releases
- Related Community Discussions
- Number of Related Support Cases