[K12OSN] OT - VOIP one way sound problem

[Julius Szelagiewicz]

> On Fri, 2006-05-05 at 12:36, Julius Szelagiewicz wrote:
>
>> the k12 servers sit as routers / firewalls as well. so you have a server
>> with public address, nat to 192.168.34.0, hp procurve switch with 2
>> vlans,
>> the one for the phones is 192.168.33.0/25. all works well locally.
>> Remote
>> site sits on natted interface (comcast foolishness), connected to first
>> site over openvpn. the internal network 192.168.12.0/24, connected over
>> tun0, the voice network is 192.168.33.0/25 - the "other half". no
>> problems
>> pinging and such, the phones do a happy and fast tftp to the pbx at firs
>> site. the sound goes only one way - from remote phone to call
>> receipient.
>> very annoying. turned off iptables, made sure source natting is ok, to
>> no
>> avail.
>
> I thought you needed a sip proxy for NATed connections:
> http://www.nongnu.org/partysip/#natsupport
>
>
I would concede the point if I hadn't had the thing working over a
cellular connect through my laptop.