[Asterisk-Users] Cisco DTMF Issue

[Josh J. Zuerner]

I am doing debug on the voip rtp session named-events.  The router only does
RTP encoding for the dtmf on calls that originate from an FXS interface on
the router - not from a phone running SCCP that is connected to the router
(Cisco CallManger Express / ITS).  However, if I call one of the FXS phones
from one of the SCCP phones, my dtmf digits are passed to the FXS phone.
Also, if I debug the phones, the router does receive the button press
events, it just never chooses to follow the peer's rtp dtmf relay setting.

I think this is a bug in the IOS, personally.  Anyone else have any
experience with this issue?

Josh

----- Original Message -----
From: "Andrey S Pankov" <casper at kbuapa.kharkov.ua>
To: <asterisk-users at lists.digium.com>
Sent: Friday, November 21, 2003 4:49 AM
Subject: Re: [Asterisk-Users] Cisco DTMF Issue


> Hi,
>
> Try this one:
>
> "Dual Tone Multifrequency Relay for SIP calls Using Named Telephone
Events"
>
http://www.cisco.com/en/US/products/sw/iosswrel/ps1839/products_feature_guid
e09186a0080087edb.html
>
> Andrey.
>
> > This is a password-protected document (CCO account required.)  Can
> > you refer to a non-password protected URL for the sake of the
> > archives?
> >
> > JT
> >
> >
>http://www.cisco.com/en/US/customer/products/sw/iosswrel/ps1839/products_f
> > >eature_guide09186a0080087edb.html
> > >
> > >Andrey.
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