[asterisk-users] Answered time on channel

[Dovid Bender]

Seems like what I needed was the SHARED function which is working perfectly.



On Tue, Dec 26, 2017 at 3:28 PM, Dovid Bender <dovid at telecurve.com> wrote:

> Hi,
>
> I have a dial plan where I need to notify an external system when a call
> was answered and when the call hung up. In both requests the start time
> needs to be the same. My Dialplan looks something like this:
>
>
> [outbound]
> Exten => _X.,1,Dial(SIP/${EXTEN}@1.1.1.1,,U(call-answer-from-carrier))
>
> Exten => h,1,NoOp(ANSWERED_TIME: ${ANSWEREDTIME} >>> DIAL_TIME:
> ${DIALEDTIME} >>> HANGUP_TIME: ${EPOCH} >>> ANSWERED TIME ${MATH(${EPOCH}-${
> ANSWEREDTIME},int)})
>
> [call-answer-from-carrier]
> Exten => s,1,Noop(CALL WAS ANSWERED AT ${EPOCH}
> Exten => s,n,Agi(some_script.py)
>
> Now in theory the hangup time of the call (${EPOCH} in the h extension)
> minus the answered time should be the same as the noop from my subroutine.
> I am finding that some times they match and some times they are off by a
> second. My issue is that the external system expects the answered time to
> the same for when we call it from the SubRoutine as well as from the h
> extension. I assume the difference is based on the microsecond of when we
> look at EPOCH how DIALEDTIME is rounded.
>
> Any tips on how I can get the same answered time across the board?
>
> TIA.
>
> Dovid
>
>
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