Hi all, i tried to throw all my INVITE messages to an external IP address by using the rewritehost function. but calls from my openser dont passthru. i need to implement a sip trunk and throw my calls thru sip trunk to an external ip. how should i do this? I am a new user, so whatever your answer is, plz try to elaborate a little more. thanx -- Best Regards Rizwan Hisham Software Engineer AXVOICE Inc. www.axvoice.com