Re: [Users] rtpproxy - ICMP unreacheable host

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
>
> --
>

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...

> Amanda Remes Mattiuz
> amattiuz@gmail.com <mailto:amattiuz@gmail.com>
<mailto:amattiuz@gmail.com <mailto: amattiuz@gmail.com>>
>

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...

>
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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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