[Asterisk-Users] Snom Phones and asterisk

[Ulexus]

Uma S. Pandey wrote:
> Hi
> 
> I am using Snom 190 with asterisk 1.0.0, and am observing that when I 
> try to use asterisk voicemail or any application where I need to input 
> more digits, then , asterisk is not able to get all the digits pressed 
> from the phone. Can anyone suggest what might be happening?  Following 
> code I have in sip.conf file.

Older firmwares had a problem with DTMF generation especially when in 
speakerphone mode.  Additionally, even now, there seem to be some timing 
problems.

Disregard all of these issues, though, and use out of band dtmf.  It 
works much better.   Set dtmfmode=rfc2833

> 
> 
>  [1114]
> ;
> type=friend
> host=dynamic
> ;defaultip=0.0.0.0
> username=1114
> secret=0000
> context=default
> nat=yes
> dtmfmode=inband

This should be dtmfmode=rfc2833

> disallow=all
> allow=ulaw
> allow=g729
> canreinvite=no
> 
>