[Asterisk-Users] iax registration & port number

[Eric Wieling]

Rich Adamson wrote:
> I'm trying to config a temp iax connection between two current * boxes.
> One is behind a firewall, the other uses a registered IP.
> 
> I config'ed the * box behind the firewall to 'register' with the one that
> has a registered IP. The registration is occuring and the CLI indicates:
>  -- Registered 'xxx2yyy' (AUTHENTICATED) at 1.2.3.193:50192
>  -- Registered 'xxx2yyy' (AUTHENTICATED) at 1.2.3.193:50262
> 
> However, I'm confused about the :50192 and :50262 port numbers shown 
> above. I was expecting to see udp 4569 instead.
> 
> I was hoping to use the registration process to avoid having to write
> a firewall rule allowing udp 4569 inbound. Am I off base or just missing
> something simple here? How do I force registration to use udp 4569 for
> both source and destination ports instead of the changing port numbers?

The NAT router is translating the SOURECE port, which is perfectly fine.
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