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Cisco Bug: CSCur60158 - SIP Trunk with Early Media may respond 488 to quick mid-call invite

Last Modified

Feb 16, 2018

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases

10.0(1.10000.24) 10.5(1.10000.7) 10.5(2.10000.5) 8.6(2.10000.30) 9.1(1.10000.11) 9.1(2.10000.28)

Description (partial)

Symptom:
During an outbound call via SIP trunk with early media, if cucm receives a mid-call INVITE immediately after receiving the 200 OK. CUCM may reject the mid-call INVITE by 488 Not Acceptable Media

If CUCM has sent out Ack for one dialogue it should handle the upcoming  SIP messages.

Conditions:
Issue found in CUCM 9.1.2.12900-11

When making outbound call through SIP trunk with early media, this issue may be triggered.
Issue not seen with DO trunk.
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Bug Details Include

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