asterisk users - Jan 2007 - Addpac 2620 don't relay DTMF to PSTN

Hi Guys:

I'm using Asterisk with Addpac 2620 as gateway, internally I'm using
Grandstream BT200, unfortunately when I called to external phones (PSTN),
and I have to choose some extensions, the Phone don't dial the extensions, I
believe that DTMF relay in ADDPAC is not working well. I'm using RFC 2833
and ALaw for SIP Channel (Between ASterisk and ADDPAC). Someone have any
experiencie with Addpac as gateway, or some workaround about this issue.

Thanks!

-- 
Omar E.P.T
-----------------
Certified Networking Professionals make better Connections!
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