[Serdev] Re: [Serusers] nathelper updated to support RTP proxy

Younger Wang wygmail at yeah.net
Thu Jul 10 19:25:48 CEST 2003


Use tcpdump or Ethereal to see what happenes is always a good idea.


----- Original Message ----- 
From: "Ricardo Villa" <ricvil at epm.net.co>
To: "Maxim Sobolev" <sobomax at portaone.com>
Cc: <serdev at lists.iptel.org>; <serusers at lists.iptel.org>
Sent: Wednesday, July 09, 2003 7:18 PM
Subject: [Serdev] Re: [Serusers] nathelper updated to support RTP proxy


> Hi Maxim,
>
> UA1 is the Nortel Networks SIP Client.  I did not put it behind a NAT so
as
> to avoid any issues.  But I followed your suggestion and swapped it for
> another ATA186.  It seems to work fine now.  Made about 20 calls and all
had
> fine audio.  Any ideas why other UAs can have problems even though they
are
> not behind a NAT??
>
> >From my observations of the rtpproxy output, I notice that when the call
is
> successfull I see these two lines:
> addr1 filled in
> addr2 filled in
>
> But when there is no audio I only see:
> addr1 filled in
>
> By the way we mainly use ATA186s on our network but there are a handul of
> others that should coexist if we were to deply the RTPProxy.
>
> Thanks,
> Ricardo
>
>
>
> ----- Original Message -----
> From: "Maxim Sobolev" <sobomax at portaone.com>
> To: "Ricardo Villa" <ricvil at epm.net.co>
> Cc: <serdev at lists.iptel.org>; <serusers at lists.iptel.org>
> Sent: Wednesday, July 09, 2003 8:11 PM
> Subject: Re: [Serusers] nathelper updated to support RTP proxy
>
>
> > Oh, sorry, I've misunderstood your problem. What kind of device UA1 is?
> > Can you please try the same with ATAs on both ends?
> >
> > -Maxim
> >
> > Ricardo Villa wrote:
> >
> > > Hi Maxim,
> > >
> > > Sorry but I don't understand what you mean.  Ser and RTP Proxy are on
a
> > > machine with  IP Address=192.168.1.111.  The WAN interface of the NAT
> Router
> > > is 192.168.1.1.   What exactly should I do?
> > >
> > >
>
UA1---SER(192.168.1.111)---(192.168.1.1)NAT(192.168.0.1)----ATA186(192.168.0
> > > .15)
> > >
> > >
> > > Thanks,
> > > Ricardo
> > >
> > >
> > > ----- Original Message -----
> > > From: "Maxim Sobolev" <sobomax at portaone.com>
> > > To: "Ricardo Villa" <ricvil at epm.net.co>
> > > Cc: <serusers at lists.iptel.org>; <serdev at lists.iptel.org>
> > > Sent: Wednesday, July 09, 2003 7:18 PM
> > > Subject: Re: [Serusers] nathelper updated to support RTP proxy
> > >
> > >
> > >
> > >>Try to bind both ser and rtpproxy to the IP address of "WAN"
interface -
> > >>192.168.0.1 and let me know if it helps or not.
> > >>
> > >>-Maxim
> > >>
> > >>Ricardo Villa wrote:
> > >>
> > >>
> > >>>Hi Maxim,
> > >>>
> > >>>I have tested on 0.8.12dev-t10 installed on RedHat 7.3.
> > >>>
> > >>>The results are mixed.  Only about 40% of the calls have audio even
> > >
> > > though
> > >
> > >>>the SDP is rewritten properly.
> > >>>
> > >>>My test setup is like this:
> > >>>
> > >>>UA1(192.168.1.10) --
> >
>
>>>SER(192.168.1.111)---(192.168.1.1)NAT(192.168.0.1)--ATA186(192.168.0.15)
> > >>>
> > >>>I have included the "-f" output from the rtpproxy plus 4 ngrep files.
> > >>>
> > >>>1.  success_from_internet.txt --> good call from UA1 to ATA186
> > >>>2.  fail_from_internet.txt ---> no audio call from UA1 to ATA186
> > >>>3.  success_from_nat.txt ----> good call from ATA186 to UA1
> > >>>4.  fail_from_nat.txt  ---> no audio call from ATA186 to UA1
> > >>>
> > >>>Please let me know how else we can troubleshoot this.
> > >>>
> > >>>Thanks,
> > >>>Ricardo
> > >>>
> > >>>
> > >>>
> > >>>----- Original Message -----
> > >>>From: "Maxim Sobolev" <sobomax at portaone.com>
> > >>>To: <serusers at lists.iptel.org>
> > >>>Cc: <serdev at lists.iptel.org>
> > >>>Sent: Sunday, July 06, 2003 12:16 PM
> > >>>Subject: [Serusers] nathelper updated to support RTP proxy
> > >>>
> > >>>
> > >>>
> > >>>
> > >>>>Folks,
> > >>>>
> > >>>>Today I've updated nathelper module to support RTP proxy. It would
> > >>>>be nice if somebody can test it on platforms other than FreeBSD,
> > >>>>because I don't have an access to such boxes right now. The RTP
> > >>>>proxy itself can be downloaded from:
> > >>>>
> > >>>>https://demo.portaone.com/~sobomax/PortaSIP/rtpproxy/
> > >>>>
> > >>>>Any feedback is greatly appreciated.
> > >>>>
> > >>>>-Maxim
> > >>>>P.S. I've committed it to the HEAD, those with 0.8.11 prerelease
> > >>>>please apply the following patch:
> > >>>>
> > >>>>https://demo.portaone.com/~sobomax/nathelper.diff
> > >>>>
> > >>>>_______________________________________________
> > >>>>Serusers mailing list
> > >>>>serusers at lists.iptel.org
> > >>>>http://lists.iptel.org/mailman/listinfo/serusers
> > >>>>
> > >>>>
> > >>>>
> >
>
>>>>------------------------------------------------------------------------
> > >>>>
> > >>>>_______________________________________________
> > >>>>Serusers mailing list
> > >>>>serusers at lists.iptel.org
> > >>>>http://lists.iptel.org/mailman/listinfo/serusers
> > >>
> > >>
> > >>
> > >
> > >
> > >
> > >
> >
> >
> >
>
>
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