I have the following setup Remote Incoming call on sip -> my asterisk at port 5060 -> my ser at port 8701 -> softphone registered on ser Now when the call comes in , the caller can hear the soft phone very easily and without any issue but the soft phone guy cannot hear the caller at all. I've done a debug of this and here is the log http://alliedtm.com/uppal.txt also , here's my ser.cfg http://alliedtm.com/ser.cfg Kindly help me out , as i cannot figure it out :( and have been trying for long.