[asterisk-users] log incoming calls without answering

[Brandon B.]

On 2017-04-20 02:33 PM, Fabio Moretti wrote:
> Yes, I'll definitely do the test before set up the whole proyect, but
> the point basically is: it is possibile for asterisk to log a call
> without answering it? How to do it in the dialplan? Or I'm wasting time
> because an analog line who enter asterisk is always answered?

Have you considered the legal implications of what you are trying to 
accomplish? You are describing a pen register 
<https://en.wikipedia.org/wiki/Pen_register>. Asterisk is not suitable 
for this purpose, even if it technically can be used in a fashion. You 
might want look into high impedance telephone line equipment which solve 
the technical issues.

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