[Freeswitch-users] Exchange 2007 UM - DTMF problem

[Matt Darnell]

On Wed, Sep 17, 2008 at 10:14 AM, Matt Darnell <mattdarnell at gmail.com> wrote:
> On Fri, Jul 25, 2008 at 8:51 PM, UV <uv at talknet.com.au> wrote:
>> Yes I did, but you might not even need that.
>> Try adding <param name="pass-rfc2833" value="true"/> in your external SIP
>> profile and see if it solves the problem.
>>
>
> I am still trying to get the DTMF 100%, I added the value but get this
> message in the debug log:
> [WARNING] mod_sofia.c:787 sofia_receive_message() Cannot pass 2833 on
> a transcoded call
>
> It does not appear that any transcoding is happening from the SIP
> setup messages.

Steve,

Thanks for the response, here is the architecture:

SIP Provider <-> SIP UDP <-> Internet <-> Freeswitch <-> LAN <-> SIP
TCP <-> Exch 2007

It appears to be G711 throughout the entire call, is it transcoded
just because Freeswitch is bridging the call?

-Matt