[asterisk-users] Sipgate > DTMF not detected by Asterisk 1.6 [dtmfmode=rfc2833]

[listuser at spamomania.co.uk]

On Wed, 2010-01-13 at 11:13 -0500, Kristian Kielhofner wrote:
> On Wed, Jan 13, 2010 at 10:39 AM, listuser at spamomania.co.uk
> <listuser at spamomania.co.uk> wrote:
> ..snip..
> > I've not been able to get that out of them, but I don't *think* It's
> > Asterisk based because they say:
> > "Unfortunately, our assistance with Asterisk is extremely limited. For
> > configuration problems you will have to rely on other sources."
> > [http://www.sipgate.co.uk/faq/index.php?do=displayArticle&article=540&qw=asterisk]
> 
>   Just because they don't offer assistance with Asterisk doesn't mean
> they don't use it themselves.  If you send me a packet capture in PCAP
> format with SIP+RTP between your system and your carrier I can debug
> this further.
Unfortunately I can't do that - but looking at the captures I can see
some slight differences between working and non working scenarios:

http://fotobytes.co.uk/user22171/dtmf_debug.php

Perhaps you can suggest where I should next look to trouble shoot this?
> 
>   You can try the rfc2833compensate option...  Other than that I can't
> know until I see a packet capture.
> 
Tried, but this was not successful :-( What I've done is detailed here:

http://fotobytes.co.uk/user22171/dtmf_debug.php

Once I get to the bottom of it, I'll write it up properly - 
for the benefit of other Sipgate/Asterisk users.