Cisco Bug: CSCut67984 - 894X Phones SIP signaling Delayed in SIP SRST
Jan 31, 2017
- Cisco Unified IP Phone 6900 Series
Known Affected Releases
Symptom: 894X phones when they fallback to SIP SRST, will delay any SIP signaling that comes to/from the phone every 120 seconds causing call setups and call disconnections to be delayed. Conditions: 894X IP Phones using SIP Phones registered to SIP SRST after a network or CUCM server failure. SIP SRST configured in a Cisco Router. Make sure phone will lose connectivity completely to CUCM. Shutting down CUCM Service is not valid. The CUCM Cluster has to be completely down or unreachable.
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Bug Details Include
- Full Description (including symptoms, conditions and workarounds)
- Known Fixed Releases
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