[asterisk-dev] Measuring PDD

[Rushowr]

Well, you can do what I do. Very very basic outline:

1. Put ${EPOCH} into var_start_proc at the beginning of the call 
2. Last command before dial, put another ${EPOCH} value into var_end_proc
3. $[var_end_proc - var_start_proc] = Your processing time (var_procdur)
4. $[(${DIALEDTIME} - ${ANSWEREDTIME}) - ${var_procdur}] = your PDD

Hope this helps

SKM

> -----Original Message-----
> From: asterisk-dev-bounces at lists.digium.com 
> [mailto:asterisk-dev-bounces at lists.digium.com] On Behalf Of 
> Jean-Michel Hiver
> Sent: Friday, September 01, 2006 3:46 AM
> To: asterisk-dev at lists.digium.com
> Subject: [asterisk-dev] Measuring PDD
> 
> Hi List,
> 
> I've tried to check the docs to see if there was a variable 
> measuring PDD (post dialing delay), but I haven't found any. 
> PDD is the time between a call is received and an extension 
> either a) starts ringing or
> b) if there is no ring, the channel is answered.
> 
> So if there is no way to retrieve such a variable, please 
> consider this as a kind request to add a ${PDD} variable 
> which would be accessible in the dialplan (and being able to 
> write it to CDRs would be great too). 
> PDD is one of the indicators which is commonly used to 
> measure the quality of a route in wholesale 
> telecommunications industry.
> 
> Best Regards,
> Jean-Michel.
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