How to configure asterisk belind adsl router

Asterisk Asterisk Support
1

i have Asterisk PBX belind ADSL Router.

one sip client out of adsl router, and other one inside.

how can i set sip.conf to support between sipclient.

i set nat all tcp and udp, but outside sipclient can’t hear any voice(can receive sip invite and registed)

thanks

2

you’ll need to setup sip.conf with your external address, and also UDP port-forward the RTP ports specified in rtp.conf to your Asterisk box.

the wiki at voip-info.org has information on NAT setups.