[Asterisk-Users] BroadVoice Voicemail

[Chris Shaw]

I'm really not sure what's going on because I can actually hear the DTMF
tones being generated on the other end (E.G I've called my cellphone and hit
a few digits and they come through). Now if it's an analog PBX then what
could be happening is that * or the phone isn't generating absolutely
perfect (in the PBXs opinion anyway) DTMF and it rejects it... As for BV,
since I KNOW it's a digital PBX, I don't know what's going on there...
That's just wierd...

    -Chris

----- Original Message -----
From: "Greg Hill" <gregh-asterisk at hillnet.us>
To: <asterisk-users at lists.digium.com>
Sent: Thursday, August 12, 2004 7:18 AM
Subject: Re: [Asterisk-Users] BroadVoice Voicemail


> On Wed, 11 Aug 2004, Chris wrote:
>
> > Set your sip.conf and your phone to inband as BroadVoice requires. Then
> > simply create an extension for BV Voicemail and use the SIPDtmfMode()
> > command like this
> >
> > exten => *86,1,SIPDtmfMode(rfc2833)
> > exten => *86,2,Dial(SIP/${EXTEN}@broadvoice,60)
> > exten => *86,3,Congestion()
> >
> > This works, but I still think there may be a bug, you shouldn't need to
do
> > this and this SHOULDNT work but it does...
>
> Thanks for the fix! I've done battle with this issue a number of times,
> but never did get it figured out. I'm inclined to believe that there is
> something buggy in the DTMF code. I thought my config worked to interact
> with any IVR, but I discovered last week that I can't get IBM's support
> line (800-426-7378) to recognize my DTMF. So I hang up and call another
> system, and it works fine..!
>
> It sounds like the basic idea in this hack is that we set * to
> rfc2833/info so that it looks for DTMF anywhere but inband and doesn't
> notice we've slipped a few digits through in the audio stream. This makes
> me wonder about the inband DTMF generation in * -- When my xlite softphone
> generates the DTMF tones, BV's voicemail server is pleased with them. But
> when * generates the tones, the server doesn't catch them. Rather, it does
> recognize that something came down the wire, because the greeting message
> stops playing. But it doesn't actually recognize one or more of the
> digits. So the fix mentioned above let xlite's DTMF go through and fixed
> the issue with the BV voicemail server, but it didn't work for the IBM
> number I had trouble with.
>
> Greg
>
>
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