Cisco Bug: CSCut46615 - Ucm does not respond back to an INVITE request
Jul 06, 2017
- 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.
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Bug Details Include
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