[asterisk-users] PHP/AGI/SetVar Issue

[Philipp Kempgen]

Steve Edwards schrieb:
> On Fri, 5 Jun 2009, Philipp Kempgen wrote:
>> Steve Edwards schrieb:
>>>
>>> One of my AGIs sets almost 600 channel variables.
>>
>> Wow that's a lot. Why would you do that?
> 
> Why? That's always a tough question :)
> 
> It's a "survey" system. Ask a question, record (voice or DTMF) a response, 
> maybe branch based on a single DTMF.
> 
> All the "steps" are stored in the database.
> 
> When a call comes in, an AGI looks up the steps for the DNIS and loads all 
> the variables of the form:
> 
>  	STEP-01-DATA -- name of variable, branch targets, etc
>  	STEP-01-TYPE -- types are BRANCH, DTMF, END, PROMPT, VOICE, etc.
>  		.
>  	STEP-xx-DATA
>  	STEP-xx-TYPE
> 
> (There's actually 8 variables per step. One customer has 75 steps. Thus, 
> 600 channel variables.)

> The dialplan (in AEL) just loops through the indexes. A switch statement 
> determines which AGI is invoked. A branch just changes the index. I never 
> touch the database again until call completion.

That's an interesting idea!
Thanks for the explanation.


    Philipp Kempgen
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