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.

On 4/4/07, Amanda Mattiuz <amattiuz@gmail.com > wrote:
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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Amanda Remes Mattiuz
amattiuz@gmail.com

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Thanks and Regards
Ravi Prakash Sunkara
ravi.sunkara@hyperion-tech.com
M:+91 9985077535
www.hyperion-tech.com
Client and Parent company :- www.august-networks.com