Re: [Linphone-developers] Two Linphones behind same NAT

[Simon Morlat]

Hi,

Nats are a nigthmare for SIP.
I agree with you.
Point 1 is now on the TODO list
Point 2 is now in the FAQ.

Thanks !

Simon


Le lundi 14 mai 2007 10:35, Conrad Beckert a écrit :
> Hi,
>
> We run an Asterisk server at the office we connect our phones to. I have a
> small network at home which shares a single internet connection by a NAT
> router.
>
> Linphone works like a charme in this environment (which includes an SIP ATA
> box for analog phones) unless I open it on more than one machine. If I do
> so, I can still issue calls but recieving calls fails -> no sound
> (interestingly video works) there is also no counfusion about the
> signalling.
>
> Anyway. The reason seems to be that unlike other softphones Linphone
> occupies fixed UDP ports for SIP signalling and RTP. So I changed those
> ports in the config and everything was fine.
>
> Actually - I came to this idea because I deal a lot with VoIP and NAT (on
> H323 with all the Netmeetings, OpenPhones, etc..)
>
> 1.
> Anyway - it seems to be that dynamic allocation of RTP ports - despite its
> unfriendlyness to firewalls has its advantages (at least to be able to give
> a range to chose from)
>
>
> 2.
> Before the software can handle this, we should put this info in the FAQ of
> the website. :-)
>
> Greetings from Berlin
> Conrad
>
>
> _______________________________________________
> Linphone-developers mailing list
> address@hidden
> http://lists.nongnu.org/mailman/listinfo/linphone-developers