[mythtv] MythPhone and DTMF

Paul Volkaerts paul.volkaerts at lineone.net
Mon Jun 27 19:03:04 UTC 2005

> > So if I understand this; you see the "a=rtpmap:101 telephone-event/8000"
> > line in the INVITE but not in the 180 or 200 response?
> >
> > This means MythPhone has offered the use of RFC2833 DTMF when
> it initiated
> > the call and the other side has rejected the offer.  So your
> problem lies
> > with the far end.
> >
> > Try making a call from the far end to MythPhone and see if it
> puts a similar
> > line in the INVITE; maybe it does not understand the syntax.
> I use different clients with MythPhone. If I configure them to use the
> RFC2833 DTMF there is this line :
> a=rtpmap:101 telephone-event/8000
> during the INVITE.
> Anyway, when I'm using a UserAgent who generate this line (example
> KPhone without the video stuffs, or a BudgeTone hardphone), MythPhone is
> able to receive the DTMF signal, but always impossible to send it even
> if MythPhone is the receiver or the caller...
> Thanks in advance

In that case I don't know what the problem is; could you send me an
etherreal capture of the call ?

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