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Cisco Bug: CSCuo34250 - Outbound call disconnect due to "supervisory disconnect anytone" command

Last Modified

Feb 09, 2017

Products (106)

  • Cisco IOS
  • Cisco AS5400XM Universal Gateway
  • Cisco 861W Integrated Services Router
  • Cisco VG204 Analog Voice Gateway
  • Cisco 878 Integrated Services Router
  • Cisco 1803 Integrated Services Router
  • Cisco 888W Integrated Services Router
  • Cisco 881SRSTW Integrated Services Router
  • Cisco 2951 Integrated Services Router
  • Cisco 1812 Integrated Services Router
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Known Affected Releases


Description (partial)

Inbound and outbound calls through FXO ports are disconnecting always if "supervisory disconnect anytone" command is present in the FXO Voice-port. If we remove the command, calls would work without any issues. However, in 151-3.T1 calls would work fine with "supervisory disconnect anytone" command present in the voice-port. 

CSCum09273 fixed the issue with inbound calls through FXO port. Outbound calls are still not working.

When "supervisory disconnect anytone" command is configured under voice-port
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