[Freeswitch-users] Freeswitch port numbers assigned to phones

[Florent Krieg]

Hi Dion,

The port you are seeing is the port used by the devices
(phones/softphones/...) to send SIP messages to your server.

I guess your phones are located behind a router on a local network. When
the first phone sends SIP messages to your FS, it leaves the router with
the port 5060 (it's up to the router to re-use 5060 or chose a random port
from the beginning) but then for the other phones it has to map to other
external ports, that's why a random one is used.

Your router might be able to provide a way to configure NAT mappings
manually, you should look that way.

Florent

2014-11-10 14:11 GMT+01:00 Dion Phillips <dion at openlogic.com.au>:

>  Hi All
>
> I am looking for some insight into FS port numbers.
>
> The default internal port number is 5060 and when the IP phones register
> with FS, one of the phones gets assigned 5060 and the remaining phones get
> a random port number assigned (I am using this command to see the port
> numbers: "sofia status profile internal reg").
>
> How is this random port number decided on? How can I tie a phone to a
> specific port number?
>
> Thanks
> Dion.
>
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