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Cisco Bug: CSCtd41800 - sRTP : Call drops on HR after transfer to h323 fxs - siptrunk dual stack

Last Modified

Feb 04, 2017

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases

8.0(0.99121.3)

Description (partial)

Symptom:
Phone1 (SCCP) calls Phone2 (SCCP) over the dual stack SIP Trunk. 
Phone 1 then transfers the call to H323 fxs phone which is across 
the same dual stack SIP Trunk. There is no audio in the call and when Phone 1 does hold/resume the call drops.

Conditions:
This issue happens only when the SIP Trunk is IPv6 enabled. Doesn't occur if the sip trunk is v4 only.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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