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Cisco Bug: CSCsz21389 - CUCM sends 415 instead of 488 for cap mismatch during mid-call re-INVITE

Last Modified

Jul 06, 2017

Products (3)

  • Cisco Unified Communications Manager (CallManager)
  • Cisco Unity Connection Version 7.1
  • Cisco Unified Communications Manager Version 7.1

Known Affected Releases

6.1(2.1002.1) 6.1(3) 7.1(2)

Description (partial)


When there is a codec mismatch during mid-call re-INVITE, CUCM is sending the wrong request failure 4xx response code. CUCM is sending 415 Unsupported Media Type, when it should be sending 488 Not Acceptable Here.


During mid-call re-INVITE, the SIP device advertises a codec different from that previously negotiated by CUCM.
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