[Asterisk-Users] Has anyone got Asterisk working behind a NAT connection to users within a NAT

[Wilson Pickett]

> However, and I know this is a running issues, I cannot get external sip
> users behind a NAT to be able to successfully connect to asterisk when it's
> behind a NAT as well.
> I have done port forwarding at both ends dealing with the usual ports of
> 5060, 4569 and 5036 as well as opening up the rtp ports for the voice
> traffic on 10,000 to 20,000.
> 
> Is there a way without asterisk being on an external ip?

Are you using nat=yes in sip.conf entries and giving the externip and
localnet parameters?