[Serusers] How to Minimize rtp proxy usage for all cases including when behind the same NAT

[S G]

So you're saying 2 users at 2 different physical locations with seperate ISP 
accounts on the same "Big" internet provider will have the same external 
public IP? I have never seen this. Can anyone verify this?

-Sumeet

>From: "sip" <sip at arcdiv.com>
>To: "S G" <skg1010 at hotmail.com>, serusers at lists.iptel.org
>Subject: Re: [Serusers] How to Minimize rtp proxy usage for all cases 
>including when behind the same NAT
>Date: Wed, 7 Dec 2005 13:36:37 -0500
>
>On Wed, 07 Dec 2005 10:23:38 -0800, S G wrote
> > It's pretty simple actually, to determine if your behind the same
> > NAT. You just check if the request for both parties are coming from
> > the same external public IP. Sure, this might not account for every
> > case, multiple subnets, multiple NAT setups, but it takes care of a
> > great deal of them. I would say most home users and offices have a
> > simple single NAT setup. The problem is when using STUN how to set
> > the SDP's to use the pre-STUN local ip's. Without STUN it works just
> > fine, but you of course end up rtpproxying ever call.
> >
>
>
>Multiple NATs are pretty commonplace these days. To discount them as being
>unimportant is really a bad idea.  MOST big home network providers give 
>NATted
>addresses to their customers... many of whom NAT their own subnets.
>
>N.

_________________________________________________________________
FREE pop-up blocking with the new MSN Toolbar – get it now! 
http://toolbar.msn.click-url.com/go/onm00200415ave/direct/01/