[Asterisk-bsd] chan_capi and dtmf

[Hans Petter Selasky]

On Wednesday 06 June 2012 20:01:22 Matthias Fechner wrote:
> Dear all,
> 
> I have here a Snom 370 phone and I had to call a number where I have to
> use a menu and press keys on my phone to go there.
> I can click what I want, the remote system (outgoing over ISDN with
> chan_capi) doesn't recognize my keys.
> 
> The voicemail system from my asterisk can be controlled fine.
> 
> Do I have to configure here anything special in asterisk or in chan_capi?
> 
> I enabled now debuging in asterisk and if I click a key I got:
> [Jun  6 19:58:52] DEBUG[42941] chan_sip.c: = Looking for  Call ID:
> 4fcf9a3dd32a-fxyidtxo14f3 (Checking From) --From tag 2ay0hy1mot --To-tag
> as17c7c143
> [Jun  6 19:58:52] DEBUG[42941] chan_sip.c: **** Received INFO (13) -
> Command in SIP INFO
> [Jun  6 19:58:52] DEBUG[42941] chan_sip.c: Trying to put 'SIP/2.0 200'
> onto UDP socket destined for 192.168.0.233:1025
> 
> The the request is transmitted at least while the call is active to my
> asterisk but maybe chan_capi does not forward this information over ISDN
> to the remote system?
> 
> Has anyone a working configuration?
> 
> Thanks
> Matthias

You can set an option in capi.conf to make it generate dtmf's. Also in 
sip.conf you can do something similar. Make sure your system is coherent, else 
you will get duplicate DTMF's :-)

--HPS