[Asterisk-Users] Re: RTP Read error: Resource temporarily unavailable (DTMF Issues)

[Tony Mountifield]

In article <40572158.1070508 at port11.net>,
Thomas Gallaway <asterisk-users at lists.digium.com> wrote:
> Hi
> 
> I am working on this since a while now and seem to be stuck. Here is my 
> issue:
> 
> I have a bunch of Budge Tone 101's. Asterisk is set up. 4 Incoming PSTN 
> lines.
> It all works fine just the DTMF is not working. I am not beind a NAT so 
> the phones
> can talk directly to the asterisk server.
> [...]
> My sip.conf looks like this for one phone:
> [113]
> username=113
> type=friend
> host=dynamic
> disallow=all
> allow=alaw
> allow=ulaw
> context=intern
> secret=
> mailbox=113
> dtmfmode=rfc2833
> nat=0
> 
> My budgetone is set to send DTMF via via RTP (RFC2833) with a payload 
> type of 101. (tried 100 and 102)
> The first 2 codecs are set to PCMU and PCMA (tried to switch those 
> arround too).

Put dtmfmode=info in your sip.conf, and set the phone to use SIP INFO.

Then it will work.

Cheers,
Tony
-- 
Tony Mountifield
Work: tony at softins.co.uk - http://www.softins.co.uk
Play: tony at mountifield.org - http://tony.mountifield.org