[Freeswitch-users] VIA messages?

[Michael Jerris]

http://www.ietf.org/rfc/rfc3261.txt

8.1.1.7 Via


On Apr 21, 2009, at 10:48 AM, Fred-145 wrote:

>
> Hello
>
> I'm reading the examples, and found one on how to use a Sipura  
> SPA-2000:
>
> http://wiki.freeswitch.org/wiki/Sipura_STUN
>
> I was wondering what the VIA messages mean, and whether I should  
> enable
> those when the unit is used behind a NAT router. I thought  
> Freeswitch would
> take care of NAT, but it looks like SIP devices have to be  
> configured for
> this.
>
> Anybody knows what VIA messages are for?