Re: [Linphone-developers] Bug: linphonec fails to determine local IP when no default gateway is set

[Simon Morlat]

Hi,

You are right.
I have submitted a patch to eXosip maintainer to fix this problem. It will be 
fixed in next eXosip2 release.

Simon

Le Monday 17 December 2007 01:03:24 Andreas Pretzsch, vous avez écrit :
> Versions:
>   linphone-2.0.1
>   libosip2-3.0.3-2
>   libeXosip2-3.0.3-3
>
> Platform is an embedded system, only accessable in the LAN, so there is
> no default gw defined (and necessary) in the routing table.
>
> Having no default gateway results in below linphonec warnings:
>   DEBUG: [get_output_if] connect: Network is unreachable
>   DEBUG: [get_output_if] connect: Network is unreachable
>   DEBUG: [get_output_if] connect: Network is unreachable
>   ortp-error-Could not find default routable ip address !
>
> Another result is that in the SIP/SDP header contains the loopback IP
> instead of the device IP:
>   [...]
>   From: <sip:address@hidden>
>   [...]
>   Contact: <sip:address@hidden:5060>
>   [...]
>
> This is independent of the contact setting in .linphonec:
>   [sip]
>   contact=sip:address@hidden
>
> Adding a default gw fixes this behavior.
>
> Calls inside the LAN are still possible without gw, but the headers are
> obviously flawed. It seems to work anyway with all tested peers, so I'd
> consider this as a minor error.
> Currently, I don't have time to track this down, so I'd throw it over to
> the public ;-)