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Cisco Bug: CSCur55347 - app-fax-detect does not detect CNG tone after IOS upgrade to 15.4(2)T1

Last Modified

Feb 22, 2018

Products (84)

  • Cisco IOS
  • Cisco 888W Integrated Services Router
  • Cisco C897VA Integrated Services Router
  • Cisco 2951 Integrated Services Router
  • Cisco 886VA-CUBE Integrated Services Router
  • Cisco 892W Integrated Services Router
  • Cisco 1905 Serial Integrated Services Router
  • Cisco 819 Hardened Integrated Services Router
  • Cisco 886VAG 3G Integrated Services Router
  • Cisco 812 CiFi Integrated Services Router
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Known Affected Releases

15.4(2)T1

Description (partial)

Symptom:
app-fax-detect TCL script does not detect CNG tones to switch from voice mode to fax mode

Conditions:
app-fax-detect is configured on incoming pots dial-peer and IOS is 15.4(2)T1
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Bug Details Include

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