[Asterisk-Users] SIP and DTMF

[Eric Wieling]

OOB = Out of Band.  i.e. RFC2833

On Sun, 2003-05-25 at 16:50, Dan Fernandez wrote:
> What is OOB DTMF?
> 
> I am using GSM with Xlite and dtmfmode =rfc2833. The Authenticate app
> recongnizes the digits I enter but with VoiceMail it only takes the first
> one or two digits of a 4 digits extesion (voicemail box).
> 
> I have the same problem if I use g711. From my experience then is not a
> problem of the codec being used but it has something to do with the
> voicemail app.
> 
> Any suggestion?
> 
> 
> ----- Original Message -----
> From: "Eric Wieling" <eric at fnords.org>
> To: <asterisk-users at lists.digium.com>
> Sent: Friday, May 23, 2003 4:07 PM
> Subject: Re: [Asterisk-Users] SIP and DTMF
> 
> 
> > Inband DTMF only really works when using G711 (ulaw or alaw).  If you
> > are not using G711, you'll have to use OOB DTMF to get it to work.
> >
> > --Eric
> >
> > On Fri, 2003-05-23 at 13:12, Avery, Brian wrote:
> > > Hello,
> > >
> > > I am fairly new to asterisk. I am currently using asterisk as a
> > > more convenient sip side voicemail system.
> > >
> > > My problem:
> > > I have cisco 7960 phones whose out of band dtmf tones
> > > are recognized properly(when dtmfmode=rfc2833) by asterisk but whose
> > > in-band dtmf tones are recognised poorly(when dtmfmode=inband) . For
> > > example 7999 comes out as 799999, 4242 comes out as 442422 ... etc
> > >
> > > I also have a cisco 2600 acting as a router/bridge
> > > between a Nortel Option 11C pbx and the voip/sip side.  It can only send
> > > in-band dtmf as far as I can tell (probably because that is how the
> > > Nortel is forwarding it.
> > >
> > > I found the dtmfmode switch to make EITHER one work.  Is there a
> > > method so that asterisk can deal with both in band and out of band dtmf
> > > tones at the same time?  is there a reason that it would ever need to
> > > ignore the out of band ones?
> > >
> > >
> > > thanks,
> > > Brian Avery
> > >
> > >
> > > _______________________________________________
> > > Asterisk-Users mailing list
> > > Asterisk-Users at lists.digium.com
> > > http://lists.digium.com/mailman/listinfo/asterisk-users
> > --
> > BTEL Consulting
> > 850-484-4535 x2111 (Office)
> > 504-595-3916 x2111 (Experimental)
> > 877-552-0838 (Backup Phone)
> >
> > _______________________________________________
> > Asterisk-Users mailing list
> > Asterisk-Users at lists.digium.com
> > http://lists.digium.com/mailman/listinfo/asterisk-users
> >
> _______________________________________________
> Asterisk-Users mailing list
> Asterisk-Users at lists.digium.com
> http://lists.digium.com/mailman/listinfo/asterisk-users
-- 
BTEL Consulting
850-484-4535 x2111 (Office)
504-595-3916 x2111 (Experimental)
877-552-0838 (Backup Phone)