asterisk users - Jul 2023 - Get channel variables via ARI/AMI

On Sun, Jul 2, 2023 at 4:39 PM TTT <lists at telium.io> wrote:
> >> You use the AMI action Getvar[1] which allows channel variables
and
> dialplan functions.
>
> >> [1]
> https://wiki.asterisk.org/wiki/display/AST/Asterisk+20+ManagerAction_Getvar
>
>
>
>
> I actually tried that, and although I get “success” I never get useful
> data.  For example:
>
>
>
> action: Getvar
>
> actionid: act1
>
> channel: PJSIP/Twilio-NA-W-2-In-00000025
>
> Variable: channel(pjsip,call-id)
>
>
>
> Response: Success
>
> ActionID: act1
>
> Variable: channel(pjsip,call-id)
>
> Value:
>
CHANNEL(pjsip,call-id)

Dialplan function names are case sensitive.

-- 
Joshua C. Colp
Asterisk Project Lead
Sangoma Technologies
Check us out at www.sangoma.com and www.asterisk.org
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The uppercase command made a difference.  I now get a call-id as show below. 
However, does the call-id look valid?  The @0.0.0.0 seems strange.

 

action: Getvar

actionid: act1

channel: PJSIP/Twilio-NA-W-3-In-00000028

Variable: CHANNEL(pjsip,call-id)

 

 

Response: Success

ActionID: act1

Variable: CHANNEL(pjsip,call-id)

Value: 4decf884e3ae74595906283a74f7154e at 0.0.0.0

 

 

As well, can I request many pieces of data at once?  The syntax on this page
(https://wiki.asterisk.org/wiki/display/AST/Asterisk+20+Function_CHANNEL) seems
to suggest you pass a single parameter, “item”, yet passing just call-id did not
work.  I had to pass “pjsip,call-id”.  Is the first parameter a category and the
second the detailed item?  What if I want to retrieve multiple items (or all
“pjsip” items)?

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