SBC is dropping the Paylod 101 for RTP Event from Access to Core.
Hi fellows,
I would like you can help me with the following fail calls with DTMF from the Endpoint and know if you have had this behavior at any time.
I have the following scenarios where a UAC(Endpoint) is calling to a number that after receive the IVR we need to send DTMF digits:
10.1.1.1 Endpoint or PBX
10.100.100.1 SBC Access Interface
10.200.200.1 SBC Core Interface
172.1.1.1 Application Server Broadsoft
What I am seeing in the fail call is that SBC is dropping the Paylod 101 for RTPevent from Access to Core.
SDP from Endpoint to SIP interface Access
v=0
o=CiscoSystemsSIP-GW-UserAgent 4812 8920 IN IP4 10.1.1.1