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Cisco Bug: CSCtd60961 - Call setup for MWI notification fails

Last Modified

Feb 05, 2017

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases

7.1(3.21005.1)

Description (partial)

Symptom:

The outbound ICT/Qsig Call setup fails when the inbound MWI request comes in via SCCP notify. 
This problem exists when Unity integration is SCCP for the new SCCP StationMwiNotificationMessage.

Conditions:

MWI comes in via SCCP notify, then goes across an ICT/QSIG. Callsetup to the ICT side fails.

When CUCM 7.1.3 is integrated with Unity Connection 7.1.2 by Skinny, MWI is notified by a StationMwiNotificationMessage message. A call triggered by the message fails.
If either version is older than 7.1.2, OffhookWithCpgn is used for MWI notification. As a result, this problem won't occur.

This problem was introduced with the fix to CSCtd02385
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
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