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Re: [Linphone-users] Re: IPv6 and eXosip_guess_ip_for_via()

From: Kannaiyan
Subject: Re: [Linphone-users] Re: IPv6 and eXosip_guess_ip_for_via()
Date: Tue, 19 Dec 2006 08:58:50 +0800


I guess it is from the eXosip.
There is a possibility of supplying own ip address in eXosip too, may not be
directly but through the socket.


----- Original Message -----
From: "Petr Pisar" <address@hidden>
To: <address@hidden>
Sent: Tuesday, December 19, 2006 12:18 AM
Subject: [Linphone-users] Re: IPv6 and eXosip_guess_ip_for_via()

On 2006-12-18, Simon Morlat <address@hidden> wrote:
Actually it is not trying to connect.  It just does a connect() system
call on a udp socket to this ip address, which just has the effect of
setting the local address of the socket. No packets are going to
2001:638:500:101:2e0:81ff:fe24:37c6.  This local address is then
retrieved to be used in SIP and SDP messages.  The
2001:638:500:101:2e0:81ff:fe24:37c6 is actually a randomly choosen
public IP address. The goal of this lookup is to find the local
interface (ip address) that is able to communicate with the public

Simon, I appriciate your effort to make linphone easy-to-use, but
sometimes it
hurts. Like in this case. Let's say you have multihomed host or network
without default gateway. You can have thousand reasons why the "public"
IP is not reachable. And then linphone uses bad IP address.

Could you make this IP configurable per SIP proxy? Sure, you can keep
the autoguess functionality, but some override mechanism would be nice.

-- Petr

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