[asterisk-users] Touch tone stutter

D'Arcy Cain darcy at vex.net
Wed Nov 30 18:03:01 CST 2016

On 2016-11-27 06:46 AM, Max Grobecker wrote:
> Hi,
> you could try switching the DTMF mode of the ATA's SIP peer (and also in the ATA itself) to INBAND transmission.
> In this mode, the ATA doesn't need to recognise DTMF tones and your Asterisk can interpret it.
> For this to work, the ATA needs to use a G.711 codec. Inband DTMF needs an uncompressed codec to work properly.
> Another way is (if the ATA supports it) to switch DMTF mode to SIP INFO.
> In this mode, DTMF is not interpreted out of the audio stream. For external peers which are not supporting this mode
> Asterisk then generates the proper RTP messages or tones.
> With SIP INFO mode I made my best results with all devices, sadly it's not very common used.

I have tried all of these ideas and it still does that stutter.  Can 
anyone suggest any other things to try?

D'Arcy J.M. Cain
System Administrator, Vex.Net
http://www.Vex.Net/ IM:darcy at Vex.Net
VoIP: sip:darcy at Vex.Net

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