[asterisk-biz] $0.0090 US 48 Premium SIP Termination

[Linus Surguy]

Trouble is that doesnt work in the real [PSTN] world. Because of protocol 
conversion issues between your gateway and the end destination normally any 
signalling that positively tells you that the call is ringing is lost and 
the best you are going to get is an acknowledgement that the call has been 
accepted by the network.

The only real way to measure PDD is with the ear!

On the other hand, average time to answer could be absolutely measured - but 
is not a standard metric.

----- Original Message ----- 
From: "Sergey Kuznetsov" <asterisk_biz at deeptown.org>
To: "Commercial and Business-Oriented Asterisk Discussion" 
<asterisk-biz at lists.digium.com>
Sent: Wednesday, June 14, 2006 2:29 AM
Subject: Re: [asterisk-biz] $0.0090 US 48 Premium SIP Termination


> My fault: Between 100 Trying and 180 Ringing
>
>
> All the Best!
> Sergey.
>
> Sergey Kuznetsov wrote:
>> You have to add some kind of code to measure the time between the ACK 
>> after INVITE and 180 Ringing.
>>
>> That will be the PDD.
>>
>>
>> All the Best!
>> Sergey.
>>
>>
>> Darren Wiebe wrote:
>>> -----BEGIN PGP SIGNED MESSAGE-----
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>>>
>>> I had somebody look into measuring PDDs with Asterisk but he didn't find
>>> anything without digging into the source code.  We are looking at doing
>>> something with it anyways though.
>>>
>>> Darren Wiebe
>>> darren at aleph-com.net
>>>
>>>
>>> Jean-Michel Hiver wrote:
>>>
>>>>> Great, thanks for the explanation.
>>>>>
>>>>> Is there anywhere I can find a list of these accepted industry
>>>>> standard terms and their definitions and derivations?  I'd be happy to
>>>>> start a page on the wiki if someone took the time to explain it a bit
>>>>> to me.
>>>>>
>>>> I can start with the obvious...
>>>>
>>>> ASR: Answer Seizure Ratio. We've seen that in the thread.
>>>> ACD: (Average Call Duration) or ALOC (Average Length of Call).
>>>> PDD: Post Dialing Delay. Time between the start of a call and the time
>>>> the phone starts ringing.
>>>>
>>>> Can't think of any others right now...
>>>>
>>>> Speaking of PDDs, is there a way of measuring it with *? That would be
>>>> great.
>>>>
>>>> Cheers,
>>>> Jean-Michel.
>>>>
>>>>
>>>
>>>
>>> - --
>>> Darren Wiebe
>>> darren at aleph-com.net
>>> Aleph Communications
>>> ASTPP - Open Source Voip Billing & Calling Cards
>>> www.aleph-com.net/astpp
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>>> =wM5g
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