Cisco Bug: CSCun04455 - CUCM not responding with 4XX to INVITE with blank call-id.
Nov 14, 2015
- Cisco Unified Communications Manager (CallManager)
Known Affected Releases
Symptom: If there is a blank value against the call-id header in INVITE message CUCM should send 4XX to the client or CUCM should initiate disconnection at CUCM. Currently CUCM is sending the INVITE request to server which is incorrect behaviour & finally call is failing. Conditions: This can be observed with basic SIP call. SIP EP -----> CM --------> SIP EP
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