hi ... i am winda angraini. i have made SER and it work in local network. But when i establish in public network, SER didn't work. i have read the milist and the solution are nathelper and RTPproxy. i uses SER 0.8.12 from ftp://ftp.berlios.de/pub/ser/0.8.12/ my question is : can i use nathelper and rtpproxy from http://cvs.berlios.de/cgi-bin/viewcvs.cgi/ser/rtpproxy/ http://cvs.berlios.de/cgi-bin/viewcvs.cgi/ser/sip_router /modules/nathelper/ to combine with SER from ftp? thanks for help! __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com