You have to use outofband dtmf with rfc standard. You might be using inband dtmf which will not work sip based voip phone as dtmf is send as a rtp stream with payload type 101.
- Ashok On 10/4/07, Michael R. Hines <[EMAIL PROTECTED]> wrote: > > Hello, > > linphone is an awesome program. (Thanks guys) I use it quite frequently > with > viatalk's SIP service. I am having a small problem with the ability to use > DTMF: > > An example sequence of events: > > 1. I make a phone call (for example a guided 800-number) > 2. I get a sequence of menu options from the callee > 3. I choose one of the options, by clicking the number with my mouse > 4. The DTMF signal is *not received* by the callee > 5. I *do* however hear the DTMF tone in my speakers/headset > > I've tried this on both 64-bit *and* 32-bit binaries on > a stock fedora 64-bit linux system. > > I'd be happy to provide logs. > > Does anyone know why the DTMF is not being recognized on the other side? > > Thanks! > > -- > /* > Michael R. Hines > http://hinespot.net > Live long and prosper... > */ > > > _______________________________________________ > Linphone-users mailing list > [email protected] > http://lists.nongnu.org/mailman/listinfo/linphone-users > > >
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