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Cisco Bug: CSCus41743 - CUBE One-way audio on Session Refresh: SRTP-RTP internetworking

Last Modified

May 03, 2018

Products (1)

  • Cisco IOS

Known Affected Releases


Description (partial)

One way audio after 15 minutes after Session Refresh INVITE from SRTP side (CUCM).

The calling Party doesn't hear the called party (Cisco IP Phone CUCM) anymore.
The called Party (Cisco IP Phone CUCM) hears still the calling party.

3rd party -> RTP -> CUBE -> SRTP -> IP Phone SIP Cluster 2
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