Cisco Bug: CSCur95578 - CME-SIP call fails when sip bind is applied under voice service voip

Last Modified

Feb 12, 2018

Products (1)

Cisco 4000 Series Routers

Known Affected Releases

15.4(3)S1.1

Description (partial)

Symptom:
When a voice gateway falls back to the SRST mode, system message that is configured in the "voice register gloal" section is not displayed on SIP phones

Conditions:
- Voice gateway use the loopback IP address as CME source address
- SIP phones lost the communication to Cisco Unified Call Manager and fall back to SRST mode

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