[Asterisk-Users] Asterisk as SIP client behind NAT

[amaury BOSSE]

I have a problem with SIP on my * box.

The * server with a private IP address is behind a NAT modem-router with
a public one.

I try to connect to a SIP provider which has a * server with public IP
but it doesn't works.

When I try making a call, the provider answers to the SIP INVITE with a
404 not found error.

With a IAX provider, it works find so I am thinking to a NAT problem.

Do I have to do port forwarding on my router or to add some special
configuration to Asterisk?

 

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