[Serusers] nathelper updated to support RTP proxy

Maxim Sobolev sobomax at portaone.com
Thu Jul 10 14:37:02 CEST 2003


Try to disable VAD (aka silence surpression or compression) in Nortel if 
it supports that, it might help.

-Maxim

Ricardo Villa wrote:

> 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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