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

Last Modified

Feb 25, 2019

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)

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.

Issue found in CUCM

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

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