[SIPForum-discussion] Regarding DTMF in RTP payload

[Ankit Gupta]

Hi all 

During Transmission of media when we press any DTMF digit we find error
NO FORMAT REGISTER FOR RTP PAYLOAD 101
can anybody tell how we retrieve or Register the paload.I will really
appreciate for all suggestion 

 



The Format of Error is...............







a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
a=sendrecv

Error registering custom payload
Audio transmitted as:
  ULAW/rtp, Unknown Sample Rate
streams is [Lcom.sun.media.multiplexer.RawBufferMux
$RawBufferSourceStream;@19b5217 : 1
sink: setOutputLocator rtp://192.168.0.50:5004/audio
Start transmission for 60 seconds...
No format has been registered for RTP Payload type 101
changing to Passive





Thanks