[asterisk-users] Softphones IAX vs. SIP, remote connectivity.

[Bob Chiodini]

Nick,

Anything helpful in the asterisk or system logs.

Try bumping up the debug and verbose levels see what shows up on the
console.

Weird that it would work inbound and not outbound.

Bob...


On Thu, 2006-09-07 at 04:48 -0700, Nick Ellson wrote:
> 
> Hey all,
> 
> A previous annoyance with not being able to call out to my brother on FWD 
> from my Asterisk system had me thinking that since I have my own PBX, and 
> that system has it's own 1-to-1 static NAT to the internet, I should be 
> able to act as the provider for him or any of my family, and have them as 
> local extensions of my PBX, right?
> 
> So I took my laptop to work (using the X-Lite SIP softphone) and watch my 
> ACL logs on my router for any denies to my Asterisk box. As expected 
> udp/5060, then once that was open, a series of randomish udp/10000+ 
> requests. My phone registered, and I tried to call one of the phones 
> behind a PAP2. Worked first shot, and just as clear and responsive as it 
> was when I was home. But, the phones at home could not call me, they when 
> to voice mail.
> 
> I had heard that SIP doesn't survive NAT all that well, and that IAX 
> native phones do a better job. My question is, given my description of how 
> I am set up and what I am trying to accomplish, should I be looking at SIP 
> or is IAX a more robust choice? (I was hoping to get video working as 
> well, h.263 I believe it is).
> 
> Nick
> 
>