[Users] rtpproxy - ICMP unreacheable host

[Amanda Mattiuz]

Hello all!!

Here it goes my SDP capture....

>From the server I got:

SIP/2.0 200 OK
Via: SIP/2.0/UDP 127.0.0.1:3000;received=89.217.49.178
;rport=3000;branch=z9hG4bK63518
Record-Route: <sip:195.176.182.183;lr=on;ftag=z9hG4bK07895001>
To: <sip:amanda at 195.176.182.183>;tag=1667a366aa3b4597
From: <sip:ivano at 195.176.182.183>;tag=z9hG4bK07895001
Call-ID: 491020407821 at 127.0.0.1
CSeq: 1 INVITE
Contact: <sip:user at 84.72.112.122:3000;nat=yes>
Server: mjsip stack 1.6
Content-Length: 177
Content-Type: application/sdp

v=0
o=sip:amanda at 195.176.182.183 0 0 IN IP4 84.72.112.122
s=Session SIP/SDP
c=IN IP4 195.176.182.183
t=0 0
m=audio 35036 RTP/AVP 0
a=rtpmap:0 PCMU/8000
a=nortpproxy:yes

Is there anything unusual here??





On 4/5/07, raviprakash sunkara <sunkara.raviprakash.feb14 at 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 at 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 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
> >
> > _______________________________________________
> > Users mailing list
> > Users at openser.org
> > http://openser.org/cgi-bin/mailman/listinfo/users
> >
> >
>
>
> --
> Thanks and Regards
> Ravi Prakash Sunkara
> ravi.sunkara at hyperion-tech.com
> M:+91 9985077535
> www.hyperion-tech.com
> Client and Parent company :- www.august-networks.com
>



-- 
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Amanda Remes Mattiuz
amattiuz at gmail.com
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