[asterisk-dev] What to do with RTCP ????

2006-02-27 Thread Olle E Johansson
The RTCP branch includes improved support of RTCP, but also a  
reporting facility we do not use currently. Would it be useful to add  
this to a channel variable - or even better a CDR variable - so you  
can add it to CDRs and make reports based on it?


/Olle
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RE: [asterisk-dev] What to do with RTCP ????

2006-02-27 Thread Andreas Sikkema
 The RTCP branch includes improved support of RTCP, but also a  
 reporting facility we do not use currently. Would it be 
 useful to add  
 this to a channel variable - or even better a CDR variable - so you  
 can add it to CDRs and make reports based on it?

I don't mind how it's reports, als long as it's relatively easy to 
correlate RTCP data to users. So adding some information to a CDR 
is fine.

-- 
Andreas Sikkema   BBned NV
Software EngineerPlaneetbaan 4
+31 (0)23 70743422132 HZ Hoofddorp 
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Re: [asterisk-dev] What to do with RTCP ????

2006-02-27 Thread BJ Weschke
On 2/27/06, Andreas Sikkema [EMAIL PROTECTED] wrote:
  The RTCP branch includes improved support of RTCP, but also a
  reporting facility we do not use currently. Would it be
  useful to add
  this to a channel variable - or even better a CDR variable - so you
  can add it to CDRs and make reports based on it?

 I don't mind how it's reports, als long as it's relatively easy to
 correlate RTCP data to users. So adding some information to a CDR
 is fine.


 Some integration with the CDR is fine, but I'd rather we make it
available via a function so people can grab the data and do what they
want with it.

 To have an RTCP logging channel via the existing logger facility
might be an interesting thing too. I'd proably use that to throw it to
some facility that throws up mrtg type graphs,etc.

--
Bird's The Word Technologies, Inc.
http://www.btwtech.com/
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Re: [asterisk-dev] What to do with RTCP ????

2006-02-27 Thread Olle E Johansson


27 feb 2006 kl. 13.00 skrev BJ Weschke:


On 2/27/06, Andreas Sikkema [EMAIL PROTECTED] wrote:

The RTCP branch includes improved support of RTCP, but also a
reporting facility we do not use currently. Would it be
useful to add
this to a channel variable - or even better a CDR variable - so you
can add it to CDRs and make reports based on it?


I don't mind how it's reports, als long as it's relatively easy to
correlate RTCP data to users. So adding some information to a CDR
is fine.



 Some integration with the CDR is fine, but I'd rather we make it
available via a function so people can grab the data and do what they
want with it.

A function is a good idea, but not a replacement for variables.

We can do a function too, but the end report is only available at
the end of the call, so a function would be of no use. The function
can deliver the current data mid-call, but would be of limited use.



 To have an RTCP logging channel via the existing logger facility
might be an interesting thing too. I'd proably use that to throw it to
some facility that throws up mrtg type graphs,etc.

--

Well, that would imply that we can log quality for other channels as  
well, so we
need to come up with generic stuff to have a log that can handle both  
IAX2 and rtp-based channels.


/O

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Re: [asterisk-dev] What to do with RTCP ????

2006-02-27 Thread Ray Van Dolson
On Mon, Feb 27, 2006 at 10:48:06AM +0100, Olle E Johansson wrote:
 The RTCP branch includes improved support of RTCP, but also a  
 reporting facility we do not use currently. Would it be useful to add  
 this to a channel variable - or even better a CDR variable - so you  
 can add it to CDRs and make reports based on it?
 
 /Olle

Would love to see RTCP stats in a CDR.  Currently have SER parsing RTCP
reports out and doing things with them instead.

Ray
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Re: [asterisk-dev] What to do with RTCP ????

2006-02-27 Thread John Todd

On Mon, Feb 27, 2006 at 10:48:06AM +0100, Olle E Johansson wrote:
 The RTCP branch includes improved support of RTCP, but also a 
 reporting facility we do not use currently. Would it be useful to add 
 this to a channel variable - or even better a CDR variable - so you 
 can add it to CDRs and make reports based on it?


 /Olle


Would love to see RTCP stats in a CDR.  Currently have SER parsing RTCP
reports out and doing things with them instead.

Ray




1) As far as how Asterisk presents information (regardless of this 
SIP-specific method) I would suggest that the data is available via 
channel variables.  Functions and variables are equally useful as far 
as I'm concerned - is there a reason why one method would be 
preferred over another?


2) How difficult would it be to put the RTCP stats into the new 
SNMP structure?  I'm not sure how useful this would be, since 
whatever SNMP query system existed would have to walk the tree (or 
be notified via a Manager link of some type) to obtain call lists and 
then monitor the calls.


3) Would a Manager-accessible method make sense here?  I think that 
having the call quality data available to external 
Asterisk-compatible tools would be pretty interesting, and ultimately 
the most useful method to obtain real-time quality information for a 
NOC.  (sorry if this is already in place; I've tested this patch a 
few times, but never tried to see what happens on the manager 
interface.)


4) If the variables were accessible in the dialplan at hangup, then 
something like my CQDR log could be created by a System call within 
the dialplan...


http://lists.digium.com/pipermail/asterisk-dev/2004-May/004180.html


5) While not directly relevant to how Asterisk implements RTCP stats, 
this may be of interest as a method for many devices in a SIP call 
chain to monitor RTP quality of a particular call:


http://www.ietf.org/internet-drafts/draft-ietf-sipping-rtcp-summary-00.txt


JT
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Re: [asterisk-dev] What to do with RTCP ????

2006-02-27 Thread Olle E Johansson

Paul Cadach wrote:

Hello,

Olle E Johansson wrote:


The RTCP branch includes improved support of RTCP, but also a
reporting facility we do not use currently. Would it be useful to add
this to a channel variable - or even better a CDR variable - so you
can add it to CDRs and make reports based on it?



Mostly RTCP information can be used to adjust jitter buffering algorithms,
arrange clocks when peer stopped transmission, etc.

..and be used to make decisions about in-call codec changes, but that 
something we can do later.


I will try to create some data for CDR variables in the meantime, and
a dial plan function.

I also want to add a special thank you to folsson and john martin that 
has done the development on this patch.


I still look froward to more test reports in the bug tracker :-)

/O
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