[Asterisk-Dev] Asterisk Dev wanted for quick job

Brian West brian at bkw.org
Thu Jan 29 16:55:14 MST 2004


I have never seen this behavior.

dtmf_inband: 1
dtmf_outofband: avt
dtmf_db_level: 3
dtmf_avt_payload: 101

Then in sip.conf put:

dtmfmode=rfc2833

Then you shouldn't have any problems.

bkw

On Thu, 29 Jan 2004 alex at pilosoft.com wrote:

> I'm that another guy :)
>
> What basically happens (Phil can provide detailed logs) is that certain
> versions of Cisco firmware send *many* duplicate RTPs frames for a single
> tone.
>
> Each RTP 'set of frames' has its own timestamp and duration sequence, and
> each 'set of frames' has a 'final frame' which has 'END' flag set.
>
> I think logs would be more useful, and I'm sure phil can provide them.
>
> -alex
>
> On Thu, 29 Jan 2004, Phil Doroff wrote:
>
> > Hey all, not sure if this is the correct place to post this, but figured it
> > was worth a shot.
> >
> > Looking at paying an Asterisk developer for a job that should be rather
> > quick.  Specifically modifying SIP (I presume) code to hack around a Cisco
> > 7900 series DTMF bug.  I had another guy that hacks on asterisk take a look
> > at it a couple nights ago, and he had some luck with it.  Simply just does
> > not have enough time time to mess with it anymore.  The problem is that
> > cisco sends a random number of rtp packets for each key press for oob dtmf,
> > inband does not work correctly due to what I percieve to be quality issues.
> >
> > So.. inband just has to be hacked up to code around Cisco lameness
> > essentially.  I know others that have this same problem, so any code
> > produced is perfectly okay to be GPL'ed, or whatever the developer prefers
> > to do.  Pay would be in the couple hundred range, as I would expect this to
> > only take an hour or three.
> >
> > Thanks much,
> >
> > Phil Doroff
> > Reflected Networks
> > phil at reflected.net
> >
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