[asterisk-users] Measuring Jitter in Asterisk

lenz lenz-ml at oinko.net
Thu Aug 9 08:34:13 CDT 2007


I have used this freeware tool in the past:  
http://sineapps.com/sinestatiax.php
maybe you can have a look at it as well....
l.


In data Thu, 09 Aug 2007 02:07:49 +0200, John Todd <jtodd at loligo.com> ha  
scritto:

> At 3:33 PM -0700 2007/8/3, Douglas Garstang wrote:
>>  > At 12:31 PM -0700 2007/8/3, Douglas Garstang wrote:
>>>  >
>>>  >How can I objectively measure jitter in Asterisk on a SIP channel?
>>>  >
>>>  >I don't just want to turn the new 1.4 jitter buffer on. I want to
>>>  >measure jitter.
>>>  >
>>>  >Thanks,
>>>  >Doug.
>>>
>>>  You could look at the txjitter and rxjitter values (and other values)
>>>  stored in the CHANNEL() function, and those values you're looking for
>>>  were previously known as RTPAUDIOQOS.  Or is this not sufficient?
>>
>> Are txjitter and rxjitter working reliably? These calls are going to be
>> placed from AMI and bridged together. Do you think the variables would
>> be correctly set for each leg of the call?
>>
>> Doug.
>
> I think the best way to determine this would be to compare the
> numbers provided by CHANNEL() versus the numbers provided by
> something with a little more reliability, such as wireshark, in a
> controlled set of circumstances.
>
> Please post your results here - it would be an interesting test.
>
> JT
>
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