[asterisk-users] Asterisk and NAT

[bilal ghayyad]

Hi All;

My Asterisk has a public IP address, how can we let
two IP Phones in different site and both are behind
NAT (each one has a private IP address) to call each
other?

In other words, 
Assuming Asterisk IP Address is 193.111.194.111

IP Phone (A): 192.168.0.1 and its default gateway is:
195.226.225.70

IP Phone (B): 192.168.0.1 and its default gateway is:
185.200.200.80

How can IP Phone at side A of extension "400" to call
the IP Phone at side B of extension "500"? We do not
need to use the VPN.

Regards
Bilal



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