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Cisco Bug: CSCup74788 - To Correct CUCM 10.x admin Guide for the "SIP UPDATE" negotiation

Last Modified

Sep 03, 2014

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases

10.0(2.99993.4)

Description (partial)

Symptom:
This defect is filed to correct the CUCM admin guide for version 10.x, which mentions that the SIP "Update" method for the session refresh is negotiated if the far end has the "update" method in the field required or supported headers.

however, as per RFC http://www.rfc-editor.org/rfc/rfc3311.txt

Based on this the support to the Update Method is published only via "Allow" header and not by Supported or required header.

Conditions:
When update method is selected on the sip profile for the session refresh for cucm 10.x

The Update method is negotiated on basis of allowed header and not supported or required header fields from far end.
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