[Asterisk-Users] Re: Grandstream Early Dial

[Aaron Martin]

Where / how do I set DTMF payload type to 101?

----- Original Message ----- 
From: "Josh Roberson" <twisted at indigent.sytes.net>
To: <asterisk-users at lists.digium.com>
Sent: Thursday, January 01, 2004 3:17 PM
Subject: RE: [Asterisk-Users] Re: Grandstream Early Dial


> I've never had early dial working, however, I resolved my multiple digit
> issue by simply putting both the GS phones and asterisk in INFO mode.
> This worked on both 10.0.3.81 firmware on the budgetone and the ATA286,
> as well as 10.0.4.30 firmware.  I'm not saying I don't believe you, but
> doubelcheck your lines in asterisk to be dtmfmode=info and the gs
> devices are on SIP INFO method, and your DTMF Payload type is 101.
> 
> Just my $.02
> 
> --------------------------
> Josh Roberson
> Indigent Networks
> 1.877.677.9647 x1
> twisted at indigent.sytes.net
> 
> > -----Original Message-----
> > From: asterisk-users-admin at lists.digium.com [mailto:asterisk-users-
> > admin at lists.digium.com] On Behalf Of Stephen R. Besch
> > Sent: Wednesday, December 31, 2003 12:59 PM
> > To: asterisk-users at lists.digium.com
> > Subject: [Asterisk-Users] Re: Grandstream Early Dial
> > 
> > 
> > > I've just checked my voicemail with 1.0.4.30 and get the same
> multiple
> > > digits problem. sip.conf and GS config are both at info, for me this
> is
> > > a new problem voicemail has always worked perfectly with the GS.
> > >
> > This has come up many times in this list, with no consensus for a
> > solution.  According to Grandstream, the "multiple digit" problem
> arises
> > from a difference in the interpretation of the SIP standard. I'm not
> > sure I really understand this, so no flames please, but, paraphrasing
> a
> > conversation I had with GS, apparently they retransmit the digit as
> long
> > as the key is pressed and expect asterisk to know that it is a
> > re-transmission by examining other data in the packet. Asterisk does
> not
> > handle the SIP packet in the way GS expects, resulting in multiple
> digit
> > transmission. This flaw (?) is avoided by setting DTMF to INBAND.  Why
> > this behaviour is not repeatable on everyones installations escapes
> me.
> > However, I have noticed one thing that may be a clue. I have one phone
> > that is older hardware (redial button instead of send and an unused
> > battery compartment on the bottom). This phone behaves differently
> than
> > all the other, later, models.  For example, it is the only phone on
> > which the flash button actually works to answer the alternate line (eg
> > when an incoming call waiting call arrives). All phones are using 3.81
> > firmware.
> > 
> >  > Early dial has never worked for me, and I just upgraded to the
> >  > 1.0.4.30 load yesterday. Now, I am having DTMF recognition issues,
> >  > making it impossible to check my voice mail.
> > 
> > This is an acknowleged bug on the GS.  They have connected to my *
> > server and acknowleged the problem. A fix has been promised but not
> yet
> > delivered.  Until then, the only solution is to turn early dial off
> and
> > let the phone send the entire dial string in one packet.  Since this
> > does not affect later single digit transmission for IVR's, etc, the
> only
> > consequence is the irritating delay between the last entered digit and
> > the actual placing of the call. But, you can always hit the send key.
> > 
> > Stephen R. Besch
> > 
> > 
> > _______________________________________________
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> > Asterisk-Users at lists.digium.com
> > http://lists.digium.com/mailman/listinfo/asterisk-users
> > 
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