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Cisco Bug: CSCun04455 - CUCM not responding with 4XX to INVITE with blank call-id.

Last Modified

Nov 14, 2015

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases

10.5(0.98000.233)

Description (partial)

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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