[sldev] Uh... what was with the sudden voice release?

Matthew Dowd matthew.dowd at hotmail.co.uk
Fri Aug 3 10:19:34 PDT 2007


Nope!

So far I've seen on my network logs UDP ports in the 12000s, 15000s and occasionally 13000s. I must confess I haven't seen anything in the 14000s yet. 12000-16000 was therefore a best guess based on what I've seen.

UDP port 3478 also comes into play somewhere as well. I think this port is NAT related. 

However, the Vivox website is somewhat light on any technical information about how VOIP works!

Matthew




----------------------------------------
> Date: Fri, 3 Aug 2007 09:07:32 -0700
> From: jhurliman at wsu.edu
> To: sldev at lists.secondlife.com
> Subject: Re: [sldev] Uh... what was with the sudden voice release?
> 
> Are you sure the range is always 12000-16000? I got this reply from the 
> Vivox gateway during testing:
> 
> 2286022892
> 
> Not sure if that port range is for the server or the client or both, or 
> if it is even used, but SIP/RTP are definitely going to be using a 
> couple different ports here and there.
> 
> John
> 
> Soft Linden wrote:
> > I passed the previous notes on firewall ports in the knowledgebase to
> > bHear - I'll get this additional information out their way as well.
> > Thanks for posting this
> >
> > On 8/3/07, Matthew Dowd  wrote:
> >   
> >> It seems rather rushed - apart from the chatterbox issues, there are also firewall issues (the FAQ is wrong - it implies that if you are firewall router you only need to enable 5060 and possible 5062. This is incorrect. It looks like the SLVoice.exe does the initial handshake over 5060/5062 but then establishes the voip connections themselves over UDP ports which afaict are picked at random within the 12000-16000 range. If you firewall does not have this range open by default for outgoing messages, not only does VOIP not work but you get spammed with "Connecting to inworld voice..." every few minutes in the chat history log).
> >>
> >> Anyway, looks like this weekend, I'll be looking at the new chatterbox source code...
> >>
> >> Matthew
> >>     
> 
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