[asterisk-users] Asterisk behind NAT, Polycom behind NAT (SIP), how to work?

[Noah Miller]

Hi Bilal -

> When Asterisk behind NAT and Polycom behind NAT, I forwarded the 5060 UDP to asterisk
> (at asterisk router) and to Polycom IP Phone at polycomg router site, but the problem stayed.
> Also I was use nat=yes in the sip.conf
>
> Also I forwarded the udp rtp ports (that configured in rtp.conf) to the asterisk IP address, and did
> not succeed.

Only forward ports (UDP 5060 and RTP) at the asterisk end.  Do not
forward any ports at the phone end.

- Noah