hi everyone have a nokia e71 , can register with my asterisk locally ( 192.168.1.2) but no matter what i do ,,, i can not get it to register over wan-for example on 3g mobile or a friends broadband connection. everytime i change the registration/proxy details in the nokia from the local ip - to my home public ip,,, leaving the passwords etc unchanged ,, i can not register. in asterisk debug , apparently im using the wrong password- which i know im not. see below.. [glen-desktop*CLI> [Feb 13 16:50:38] NOTICE: chan_sip.c:21500 handle_request_register: Registration from '<sip:firstname.lastname@example.org>' failed for '126.96.36.199' - Wrong password [Feb 13 16:50:38] DEBUG: chan_sip.c:21978 handle_request_do: SIP message could not be handled, bad request: h642CpFpoIeeb0djyKJwp0yDZRgPek [glen-desktop ive forwarded all ports to my asterisk- 5060 and 10000 thru to 20000 on the nokia , i have tried enabling the stun client, but still no go. the only thing i dont think ive done , is tell asterisk itself that it should be nat. the individual extension- "intphone", has nat=on but asterisk server itself i dont think has nat on , likewise , the stun server on my asterisk server is switched off. ive had this problem for months ,,,, can someone help?