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Cisco Bug: CSCum05299 - SIP phones not able to dial-out when registered to CME 10.0/15.3(3)M1

Last Modified

Apr 25, 2020

Products (74)

  • Cisco IOS
  • Cisco 888W Integrated Services Router
  • Cisco C892FSP Integrated Services Router
  • Cisco 886VAG 3G Integrated Services Router
  • Cisco 892W Integrated Services Router
  • Cisco 886VA-CUBE Integrated Services Router
  • Cisco 2951 Integrated Services Router
  • Cisco 881SRSTW Integrated Services Router
  • Cisco VG204XM Analog Voice Gateway
  • Cisco 861W Integrated Services Router
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Known Affected Releases

15.3(3)M

Description (partial)

Symptom:SIP phones not able to dial out when registered to CME 10.0 with IOS version 15.3(3)M1

when debug ccsip all enabled in the router, can see below mesage
"Ip Trust List Authentication failed for Incoming Request, method = INVITE" 

Conditions:Voice router running in IOS version 15.3(3)M1, with IP address trust list enabled (default configuration) under voice service voip
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Bug Details Include

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