[asterisk-users] RTP IP re-write

[Thomas Kenyon]

Joshua Colp wrote:
> Thomas Kenyon wrote:
>> I am having a problem trying to get a particular softphone working on my
>> setup.
>>
>> The machine it runs on has more than one interface. When the softphone
>> registers, it registers fine, and asterisk is given the correct IP for
>> registration.
>>
>> Whenever RTP is set-up however, the client gives the wrong IP to connect
>> to and I get the inevitable problem with one-way media.
>>
>> Is there any way of forcing that SIP account to have the rtp always sent
>> to a particular IP. (I know that this still may not work, because the
>> device is probably listening on the wrong interface as well, but it's
>> worth a try).
> 
> It's not possible to do this as you describe but if you set "nat=yes" 
> the RTP module will lock on to the source of the incoming media after a 
> certain number of packets. This does require that the softphone send 
> packets to Asterisk and that they make it, of course.
> 
> Cheers,
> 
Thanks, works perfectly :-)

I should have known that.