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Cisco Bug: CSCtd68173 - Timestamp not accurate in the DTMF sent by CME

Last Modified

Jan 24, 2017

Products (1)

  • Cisco IOS

Known Affected Releases


Description (partial)

Symptoms: Outbound DTMF may fail intermittently over a SIP Trunk from Cisco 
UC 500.

Conditions: This symptom is observed when the following conditions are 
- Using Cisco IOS Release 12.4.22YB4 or Release 15.0.1XA on Cisco UC 500
- SIP trunk uses RFC2833 for DTMF
- Call is outbound from Cisco IP Phone to PSTN over SIP Trunk
- SIP Trunk provider gateway is Sonus GXS (v6.4).
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Bug Details Include

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