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Cisco Bug: CSCul41442 - media anti-trombone feature missing in M train in and S train for IOS-XE

Last Modified

Apr 25, 2020

Products (9)

  • Cisco IOS
  • Cisco 7206 Router
  • Cisco 7301 Router
  • Cisco 7206VXR Router
  • Cisco 7204 Router
  • Cisco 7202 Router
  • Cisco 7200 Series NPE-G2 Network Processing Engine
  • Cisco 7204VXR Router
  • Cisco 7201 Router

Known Affected Releases

15.2(0.1)S 15.2(4)M

Description (partial)

In the M train of IOS and the S train of IOS-XE the "media anti-trombone" feature added in Cisco IOS Release 15.1(3)T, CUBE does not appear as an option when configuring "voice class media" groups.  It is not present as an option at the dial-peer level as well.

This symptom is observed in any non "T" train of IOS and IOS-XE.  

Tested 15.2(3)T - Available as media option
Tested 15.3(3)M - Not there

Tested  15.1(3)T - Available as media option
Tested 15.3(3)S1 - not there
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