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Cisco Bug: CSCta37341 - SIP peer does not suport 100rel (no Provisional Response support)

Last Modified

Feb 03, 2017

Products (1)

  • Applications for Cisco Unified Application Environment

Known Affected Releases


Description (partial)

Symptom: SIP peer does not support Provisional Response, thus strips off any 100rel set in i/c or o/g INVITE header. PGW sets 'EarlyDialogState: Orig_EarlyDialog_Established' regardless of 100rel being set to SUPPORTED or UNSUPPORTED.
Conditions: when Provision Response required - customer SIP platform does not support PR.
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