[Users] rtpproxy - ICMP unreacheable host

Amanda Mattiuz amattiuz at gmail.com
Wed Apr 4 17:35:18 CEST 2007


Hi!

I have the tcpdump output (from server) and the log from openSER in debug
mode here with me... how can I capture SDP specifically? If u teach me I can
do it and post it.... in fact I'd love to learn it heheheh

Thanks again!!

Amanda

On 4/4/07, Bogdan-Andrei Iancu <bogdan at voice-system.ro> wrote:
>
> Hi Amanda,
>
> could you post the RTP capture?
>
> regards,
> bogdan
>
> Amanda Mattiuz wrote:
> > Thanks for your reply...
> >
> > I don't understand exactly "lso note that first you need incoming RTP
> > (from client to RTPproxy) in order to be able to send RTP behind the
> > nat." ...
> >
> > Checking the traffic with ethereal in the server (rtproxy and openser
> > are running on the same machine for the moment), I can see that bothe
> > clients are sending packets, but then when rtpproxy routes them to the
> > onthr client, I see "ICMP unreacheable host" for both sides.....
> >
> > I will check the client more carefully to be sure it is synmetric...
> >
> > Thanks again!!!!
> >
> > On 4/3/07, *Bogdan-Andrei Iancu* < bogdan at voice-system.ro
> > <mailto:bogdan at voice-system.ro>> wrote:
> >
> >     Hi Amanda,
> >
> >     be sure the devices are symmetric from RTP point of view -
> >     otherwise the
> >     traversal will not work. Also note that first you need incoming RTP
> >     (from client to RTPproxy) in order to be able to send RTP behind
> >     the nat.
> >
> >     regards,
> >     bogdan
> >
> >     Amanda Mattiuz wrote:
> >     > Hello!
> >     >
> >     >
> >     > I'm using rtpproxy to handle NAT, but right now I have problems of
> >     > unreacheable host... I believe client's firewalls are blocking UDP
> >     > traffic coming from the proxy ... I tried to change port range and
> >     > nothing seem to make it  work...
> >     >
> >     > I was wondering if any of you kows something that may fix it....
> >     >
> >     > Thanks
> >     >
> >     > --
> >     >
> -------------------------------------------------------------------
> >     > Amanda Remes Mattiuz
> >     > amattiuz at gmail.com <mailto:amattiuz at gmail.com>
> >     <mailto:amattiuz at gmail.com <mailto:amattiuz at gmail.com>>
> >     >
> >
> ------------------------------------------------------------------------
> >
> >     >
> >     > _______________________________________________
> >     > Users mailing list
> >     > Users at openser.org <mailto:Users at openser.org>
> >     > http://openser.org/cgi-bin/mailman/listinfo/users
> >     >
> >
> >
> >
> >
> > --
> > -------------------------------------------------------------------
> > Amanda Remes Mattiuz
> > amattiuz at gmail.com <mailto:amattiuz at gmail.com>
>
>


-- 
-------------------------------------------------------------------
Amanda Remes Mattiuz
amattiuz at gmail.com
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