[asterisk-dev] chan_zap - weird behaviour on bridged data calls

[Anton]

Hello,

Please can anyone help with that weird behaviour which 
already made me crasy, I cand make data modem calls working 
on BRIDGED PRI link. It works even over IAX2 on network to 
the same PC but not PORT-TO-PORT brigdge!

Say, I have 2 port E1 sangoma card 1 port connected to PSTN, 
another co CISCO AS5350, when I call  from channel bank to 
that PC over IAX2 - I have data working, If I call through 
another asterisk connected to PSTN over chan_ss7 - it works 
again... but when calls come to the same PC, another E1 PRI 
port connected to PSTN and so asterisk than have to 
internally bridge the calls...   it connects, but modem 
than retrains, retrains, retrains, 1,2 ping passes.. and 
than retrain and retrain again. As was suggested I have 
disabled the zt_enable_ec() code - but! no result it keeps 
the same... seems it's not an echo cancel problem. Any 
clue?

Regards,
Anton.