[asterisk-users] DMTF Mode

[Mike]

Then that likely means your phone have the correct dtmfmode, but the link
between you and the provider doesn't.  

 

Make sure both you and the provider are using the same dtmfmode.  My
experience shows that sometimes it's also between your provider and THEIR
provider, and sometimes reporting the issue to them helps.

 

But of course, verify on your side first.

 

Mike

 

 

 

From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Dan Journo
Sent: Wednesday, October 13, 2010 10:12 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] DMTF Mode

 

> It depends upon whether you are receiving DTMF or sending, and whether you
are using a VoIP protocol or using DAHDI/Zaptel.

Sorry about the lack of info.

It's a simple SIP only setup. A handful of sip phones, an asterisk server,
and a sip provider.

The DTMF signals from the sip phones are received by Asterisk because they
can access features like *1.

The DTMF signal from the called party are received by Asterisk because they
can also access features like *1.

But, the DTMF tones are not passed through from the Sip Phone to the Called
Party.

The same happens regardless of whether its an incoming or outgoing call.

That means, if any of my users try to call a company with a menu system,
they can't select any options.

How can I tell if Asterisk is sending the tones through to the provider? I
need to find out whether its something I'm doing, or something the provider
is doing.

Any ideas?

Thanks

Dan

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