One more thing, what is the difference between externadd and externip? Regards Bilal -----------> > Dears; > > > > It seems my service provider is requesting a > complicated settings to allow me to send from behind NAT. > > > > What they said: > > > > "It shouldn't matter as long as you are handling the > NAT correctly your end. We do not fix NAT so if you're > sending internal addresses in your INVITEs or SDP then > things will fail but if you're handling it correctly, we > shouldn't tell the difference". > > > > > > Really, I did not understand what exactly they need. > But maybe what they need is to see my public IP address > without the private IP address (this what I understood if I > am right). > > > > I tried to use the following in the [general] settings > in the sip.conf > > > > localnet=192.168.10.2/255.255.255.254 > > externadd =196.40.164.239 > > > > > I think these setting are all wrong: > 1. local network should be something like: 192.168.10.0 > 2. Subnetmask cant' be 255.255.255.254 ! > 3. externip=x.x.x.x (Not "externadd") > > Jian > > > But even, the calls are drop .. so what I have to do? > > > > The following what I get when I enabled the sip debug: > > > > > > <--- SIP read from UDP:194.0.220.220:5060 ---> > > SIP/2.0 403 UA behind NAT not accepted here > > Via: SIP/2.0/UDP > 192.168.10.2:5060;branch=z9hG4bK123c8781;rport=5060;received=196.40.164.239 > > From: "asterisk" > <sip:gwbilalkwpbx at 192.168.10.2>;tag=as45d7c63b > > To: <sip:9617565116 at outbound.exxs.com:5060>;tag=84f31a80f7bc633204d0bd8d76e9cb24.53a5 > > Call-ID: > 6f68f414109ba1ff596726c74a0cb5ac at 192.168.10.2:5060 > > CSeq: 102 INVITE > > P-Behind-NAT: source > > Server: Service Provider Global Proxy v2 > > Content-Length: 0 > > > > So what could resolve my problem? > > > > Regards > > Bilal