[asterisk-users] Data calls through TDM2400E

[Kevin P. Fleming]

Stephen Kratzer wrote:

> cannot successfully make modem calls using a 56K modem connected to a patch 
> panel connected to an FXS port which then gets bridged to an FXO port 
> connected directly to a phone line. We have 'echocancelwhenbridged=no' set 
> in /etc/asterisk/zapata.conf.  We're dialing into a Lucent TNT which drops 

You cannot make 56Kbps modem calls when there is more than one
digital/analog transition in the call path.

-- 
Kevin P. Fleming
Director of Software Technologies
Digium, Inc. - "The Genuine Asterisk Experience" (TM)