[asterisk-users] One way audio when dialing multiple registrations

[Philipp von Klitzing]

Hi!

> I am working on calling 2 registrations of same user on 2 different ip or
> ports. It works fine and both phones ring simultaneously. the problem is
> that there is one way audio, calling party can hear me but i can't hear
> calling party.

You need to make sure that these two phones use *different* RTP ports, 
and that this is handled correctly in your router/NAT device (by port 
forwarding or other methods).

Philipp