hi all, see i have problem with PC(any sip phone which registered to fwd.pulver.com) to phone(my zap where it has been registered by modifying sip.conf) my zap detects RBT but i am not able to listen to the voice,this happened when i tried with ECHO of fwd.pulver.com i dont know wat to do plz help......me if u want detail abt this i can send u bye