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Cisco Bug: CSCuq67163 - Dual Ringback heard in Secure Mode - 180 Ringing after 183

Last Modified

Feb 12, 2018

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases


Description (partial)

Dual ring back symptom on IPPhone when IPPhone user calls to external PSTN number from IPPhone(CP-8961 or CP-7821/SIP Phone). 
Dual ring back in the sense they hear both actual ringback tone and customized/personal ringback tone.

If the phones don't use security mode, the customer hears the customized ringback only. This issue seen only on SIP phones and not observed on SCCP phones (CP-7942) even when customer using secure mode.

Secure Mode + SIP Phone(CP-8961/CP-7821)
CUCM version:
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Bug Details Include

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