[Serusers] SER Media Proxy optik module
Adrian Georgescu
ag at ag-projects.com
Thu Dec 11 15:04:13 CET 2003
I posted on the website some instructions (not available yet in the
tar-ball) about how to see the current media sessions on the web.
Snapshot RTP sessions
http://SERMediaProxy.dns-hosting.info/RTPSessions.html
Script source and instructions
http://SERMediaProxy.dns-hosting.info/RTPSessions.phtml.gz
SER Media Proxy
http://SERMediaProxy.dns-hosting.info/
Regards,
Adrian Georgescu
ag at ag-projects.com
http://ag-projects.com
IP phone: sip:ag at ag-projects.com
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On Wednesday, Dec 10, 2003, at 23:00 Europe/Amsterdam, Ricardo Villa
wrote:
> Thanks Adrian,
>
> I tested now and it works great! No choppy audio on Xten. I still
> see the
> RTCP packet coming out of the Xten client, but it never gets back the
> "ICMP
> Unreachable". I don't know if the ATA186 supports it though. In any
> case
> the audio is crystal clear.
>
> I also like your "sessions.py" program. It is quite useful.
>
> Regards,
> Ricardo
>
> ----- Original Message -----
> From: "Adrian Georgescu" <ag at ag-projects.com>
> To: "Ricardo Villa" <ricvil at epm.net.co>
> Cc: <serusers at lists.iptel.org>
> Sent: Wednesday, December 10, 2003 2:10 PM
> Subject: [Serusers] SER Media Proxy optik module
>
>
>> See
>> http://www.itp.tu-graz.ac.at/Comp/RPM/itp-9/python-optik-1.4-
>> 2.noarch.html
>>
>> http://optik.sourceforge.net/
>>
>> Regards,
>> Adrian
>>
>>
>>
>> On Wednesday, Dec 10, 2003, at 18:29 Europe/Amsterdam, Ricardo Villa
>> wrote:
>>
>>> Adrian,
>>>
>>> I am sorry but it does not run on our RH7.3. I have python 2.2 but
>>> not the
>>> optik module. Could that be the problem? I could not find that
>>> module for
>>> our version of Linux. Not even a web page to download the source.
>>>
>>> [root at maui2 rtpproxy.other]# ./rtpproxy.py
>>> File "./rtpproxy.py", line 86
>>> print >>sys.stderr, "RTP Proxy error: %s. Exiting." % why
>>> ^
>>> SyntaxError: invalid syntax
>>>
>>>
>>> ----- Original Message -----
>>> From: "Adrian Georgescu" <ag at ag-projects.com>
>>> To: "Ricardo Villa" <ricvil at epm.net.co>
>>> Cc: <serusers at lists.iptel.org>
>>> Sent: Wednesday, December 10, 2003 11:44 AM
>>> Subject: Re: [Serusers] Re: Xten-RTPProxy choppy audio
>>>
>>>
>>>> Interesting, did you try my media proxy before saying this?
>>>>
>>>> Regards,
>>>> Adrian
>>>>
>>>>
>>>> On Wednesday, Dec 10, 2003, at 17:40 Europe/Amsterdam, Ricardo Villa
>>>> wrote:
>>>>
>>>>> I can confirm this too. Just tried it in our lab with the exact
>>>>> same
>>>>> results as Klaus. (Instead of Budgetone I used ATA186).
>>>>>
>>>>> X-Lite build 1084
>>>>>
>>>>> 1. ATA186 Calls Xten.
>>>>> 2. Xten hears choppy audio every 5 seconds or so.
>>>>> 3. RTP Stream from ATA to Xten is perfect and conserves the same
>>>>> SSRC
>>>>> 4. RTP Stream from Xten to ATA switches to a new SSRC every few
>>>>> seconds.
>>>>>
>>>>> It is clear to me that there is a bug in Xten software. Before
>>>>> Xten
>>>>> switches to a new SSRC it attempts to send an RTP packet to the
>>>>> wrong
>>>>> RTP
>>>>> Port (it tries to the actual port +1). SER server sends back
>>>>> "ICMP
>>>>> Port
>>>>> Unreacheable (Obviously)" and Xten restarts RTP Stream on a new
>>>>> SSRC.
>>>>>
>>>>> I did not see any problem with Maxims RTPProxy.
>>>>>
>>>>> Regards,
>>>>> Ricardo
>>>>>
>>>>> ----- Original Message -----
>>>>> From: "Klaus Darilion" <darilion at ict.tuwien.ac.at>
>>>>> To: "Jan Janak" <janak at fokus.fraunhofer.de>; "Adrian Georgescu"
>>>>> <ag at ag-projects.com>
>>>>> Cc: <serusers at lists.iptel.org>; "Ricardo Villa" <ricvil at epm.net.co>
>>>>> Sent: Wednesday, December 10, 2003 11:07 AM
>>>>> Subject: RE: [Serusers] Re: Xten-RTPProxy choppy audio
>>>>>
>>>>>
>>>>> I can reproduce the choppy audio
>>>>> setup:
>>>>> budgetone-100 <----> ser+rtpproxy(version from today) on redhat 9
>>>>> (or
>>>>> 8,
>>>>> not sure) <------>x-lite build 1088 on win xp
>>>>>
>>>>> the choppy sound occours every 5 seconds, in both directions.
>>>>> RTP-analysis:
>>>>> RTP stream from budgetone to x-lite (via rtpproxy) is fine (no
>>>>> jitter,
>>>>> no loss)
>>>>> RTP stream from x-lite to budgetone (via rtpproxy): very strange:
>>>>> x-lite
>>>>> switches to a new SSRC (and seq-nr. start at 0 again) every 5
>>>>> seconds.
>>>>>
>>>>> so, in my opinion: rtpproxy works fine, x-lite is guilty. but why
>>>>> does
>>>>> this happen only if the rtp proxy is involved? ...further
>>>>> investigations
>>>>> are planned...
>>>>>
>>>>> Klaus
>>>>>
>>>>>> -----Original Message-----
>>>>>> From: Jan Janak [mailto:janak at fokus.fraunhofer.de]
>>>>>> Sent: Wednesday, December 10, 2003 4:09 PM
>>>>>> To: Adrian Georgescu
>>>>>> Cc: serusers at lists.iptel.org; Ricardo Villa
>>>>>> Subject: Re: [Serusers] Re: Xten-RTPProxy choppy audio
>>>>>>
>>>>>>
>>>>>> Well, we can generate the traces locally, but I haven't encounter
>>>>>> the
>>>>>> problem you describe so it makes no sense.
>>>>>>
>>>>>> You wrote you are able to reproduce the problem, in that case I
>>>>>> would
>>>>>> like to ask you to generate the traces that show the problem
>>>>>> so we could
>>>>>> analyze and fix it.
>>>>>>
>>>>>> Also please tell us on what OS does this happen ? (I mean the
>>>>>> OS the proxy
>>>>>> is running on).
>>>>>>
>>>>>> Another question, what is the license of your RTP proxy ? I
>>>>>> didn't find
>>>>>> any licensing info in the sources. Will the sources be available ?
>>>>>>
>>>>>> Jan.
>>>>>>
>>>>>> On 10-12 16:04, Adrian Georgescu wrote:
>>>>>>> On Wednesday, Dec 10, 2003, at 15:48 Europe/Amsterdam,
>>>>>> Ricardo Villa
>>>>>>> wrote:
>>>>>>>
>>>>>>>> Adrian,
>>>>>>>>
>>>>>>>> Do you have an Etheral trace trace of such a call (using G711)?
>>>>>>>
>>>>>>> I guess ethereal traces can be generated with ethereal program
>>>>>>> and
>>>>>>> decoded locally on your servers if you want to isolate this.
>>>>>>>
>>>>>>>> I can
>>>>>>>> decode it and produce an audio file for all to examine.
>>>>>> This way we
>>>>>>>> can get
>>>>>>>> to the bottom of this.
>>>>>>>> Thanks,
>>>>>>>> Ricardo
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> 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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>>>
>>>
>>>
>>
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