Humm... Imay be using an old version of Ethereal, because it does not explicit show RTP or SDP packets.
I will run tests and post the RTP/SDP capture, thanks a lot for the help!
Just one thing, yesterday I run nmap to check the ports on both clients and in both of them I saw that ALL UDP PORTS are blocked/filtered by firewall/router/proxy.... do you think this may be the problem? I checked the client source code and I seems to be synmetric.....
On 4/5/07, raviprakash sunkara <sunkara.raviprakash.feb14@gmail.com> wrote:
HI
Use ethereal, or ngrep
if not install Download it and install on the Clients side and server side ( for Ethereal) and Ngrep in Server,
So that U can see the SDP section in ngrep and in Ethereal u can both rtp packets and SDP messages,
I seen the urs Debugs of the OpenSER it doesn't show the properly.
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@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@voice-system.ro
> <mailto:
bogdan@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@gmail.com <mailto:amattiuz@gmail.com>
> <mailto:
amattiuz@gmail.com <mailto:
amattiuz@gmail.com>>
> >
> ------------------------------------------------------------------------
>
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>
>
> --
> -------------------------------------------------------------------
> Amanda Remes Mattiuz
> amattiuz@gmail.com <mailto:
amattiuz@gmail.com>
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