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Re: [Linphone-users] ADSL modem crash when using linphone-2.0.0


From: Simon Morlat
Subject: Re: [Linphone-users] ADSL modem crash when using linphone-2.0.0
Date: Sun, 23 Dec 2007 14:29:55 +0100
User-agent: KMail/1.9.7

Whatever the port is used at your provider side, you can change the local port 
without any problem.
But I'm not sure this will prevent your modem router to try to do strange 
things with SIP traffic.

Simon

Le Wednesday 19 December 2007 10:31:37 Klaus Darilion, vous avez écrit :
> address@hidden schrieb:
> > Quoting Klaus Darilion <address@hidden>:
> >> VoVaN schrieb:
> >>> I know my modem has the latest firmware available at the moment form
> >>> my provider (Orange). It has been discussed here already and I agree
> >>> that the modem is not robust enough. I think that's not a problem
> >>> with this particular modem, but with all modems based on the same
> >>> hardware/firmware. I mentioned already and it has been discussed
> >>> widely on internet, that very few types of ADSL modems can handle p2p
> >>> traffic without problems. In my case modem crashes some times while
> >>> I'm using torrent client, but there's a simple solution, just
> >>> restrict the number of connections, since that I don't have any
> >>> problems. So, maybe there's a kind of workaround for traffic
> >>> generated by linphone/libosip?
> >>
> >> Usually a workaround is to use another port instead of 5060. Then
> >> usually the modem wont detect the SIP traffic and just routes the
> >> packet without fumbling (and crashing).
> >>
> >> regards
> >> klaus
> >
> > If I understand correctly, the 5060 port usually used on remote
> > proxy/registrar, therefore that's not possible to change it locally.
> > Please correct me if I'm wrong.
>
> Yes. But many SIP providers offer their SIP service on another port too
> (e.g. 5065 or 5050 or 5070 or 6060) avoid issues with with ALGs. If your
> provider has not documented this feature just use a SIP port scanner
> (e.g. sipvicious) to scan all ports of the IP address of the SIP proxy
> of your provider to find out if the SIP proxy is listening on antoher
> port too.
>
> regards
> klaus
>
>
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