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Cisco Bug: CSCta96039 - Fax fails if faxserver sends reinvite for T38 before voice call establis

Last Modified

Feb 22, 2014

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases

6.1(3)

Description (partial)

Symptom:

T38 Faxes involving third party fax servers and callmanager with MTP fail

Conditions:

Long call flow involving mtp. T38 reinvite is sent before voice call completely established
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