via this softswitch (ofcourse, the softphone will send for asterisk and asterisk should route to the softswitch based on the extensions.conf configurations. But, always I receive this message (and the call does not even reach to the softswitch, it is not sended from Asterisk to the softswitch): Executing [9617565116 at EgyptInternationalVoIP:1] Dial("SIP/EgyptOeratorSIP-09f9bed0", "SIP/9617565116 at EgyptAlooNet") is new stack Unable to create channel of type SIP (cause 3 - No route to destination) Everyone is busy/congested at this time (1:0/0/1) Anyone faced that? Is it related to a paramater that control number of allowed channels per IP trunk? Maybe I have such parameters is 0 ? I do not know even if there is such parameter. At the softswitch, I do not see even any attempt (nothing related to the dialed number), so why Asterisk does not send the called number to the softswitch and why asterisk assume there is not available channel? The softphone codec is g729a and the softswitch support such codec. Also, if it is a codec matter, then call should be send to the softswitch, and the softswitch will gives an error related to the codec missmatch. Any help? Regards Bilal Ghayad __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com