[Users] rtpproxy - ICMP unreacheable host

Amanda Mattiuz amattiuz at gmail.com
Sat Apr 14 14:54:22 CEST 2007


Sorry, I forgot to post the SDP message from the client that originates the
INVITE. Here it goes:

Content-Type: application/sdp

v=0
o=sip:amanda at 195.176.182.183 0 0 IN IP4 84.72.112.122
c=IN IP4 127.0.0.1 <http://195.176.182.183/>
t=0 0
m=audio 2100 RTP/AVP 0
a=PCMU/8000

I notice from here that the audio ports described here and in the server SDP
message are different. Could this be an issue??

Amanda

On 4/14/07, Amanda Mattiuz <amattiuz at gmail.com> wrote:
>
> 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
> >
>
>
>
> --
> -------------------------------------------------------------------
> Amanda Remes Mattiuz
> amattiuz at gmail.com
>



-- 
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Amanda Remes Mattiuz
amattiuz at gmail.com
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