Hi, my setup is like: phones (g729/g711)--(SER)--> Asterisk <--(oh323)--gateway (supports g729&g711) problem begin when phone supports only g711 and Asterisk doesn't negotiate this codec in full path (from phone to gateway), but tries to do transcoding (and because I haven't g729 codec in asterisk, the call fail). Is there any solution how to tell to Asterisk to negotiate codec, that is supported by both parties? I read some posts like my problem, is any new recomendation or devel. progress so solve? thanks PJ