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Cisco Bug: CSCus62109 - In fax t38 call ASR converts RTP pkt to t38 pkt with midcall block

Last Modified

Feb 17, 2015

Products (1)

  • Cisco ASR 1000 Series Aggregation Services Routers

Known Affected Releases

15.5(3)S

Description (partial)

Symptom:
With "midcall-signaling block" enabled, FAX t38 behaviour is abnormal. At times FAX passes or at times fax fails even though fax t38 re-invite is rejected with 488 in signalling always.

Conditions:
midcall-signalling block needs to be configured under voice service voip and fax t38 call is made.
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