On 18 Oct 2012, at 17:19, Michelle Dupuis wrote:
> I need to do this from the AMI (not the CLI)...I don't *think* a comparable
> command exists from the AMI.
>
> As well, I don't want to poll the system for calls so I'm hoping to trap a
> call bridged,unbridged type event.
>
Michelle,
if you do not want to poll Asterisk with an AMI 'Status' event (that returns a
list of open channels) counting the bridged, unbridged events is possible, but
not that easy..
There are two gotchas around this:
One is that a single call, depending of what the dialplan is doing, can involve
several bridged, unbridged events;
The second is that some kind of calls (I call them 'one legged calls': anything
resembling an IVR or a call to get voicemail) do not get any bridged, unbridged
events, at all. The same applies for calls that are sent to a MeetMe
conference: there you see specific MeetMe events for conference rooms.
If you have access to the dialplan (that is if you are in charge of it and you
can modify it) you could add some user defined events, to mark the 'rising' of
a call and its connection to the far side. The dialplan can send pretty much
what you like by using UserEvent.
As an example:
exten => _00.,n,UserEvent(DNIS-Ext,Exten: ${EXTEN},CallerID:
"${CALLERID(num)}",DNID: "${CALLERID(dnid)}",DisplayID:
"${PersonalID_Num}",ChannelID: "${CHANNEL}",RDNIS: "${RDNIS}")
The first string (DNIS-Ext) is a marker: anything that you want to receive that
'brands' the user event to your suiting.
The rest is a list of (name, value) pairs, giving the details you might need on
the AMI processing side.
Beware of any loop in the dialplan: it might be that you will get multiple
copies of the same event, if the dialplan execution is such that the same
extension is visited more than once during the processing of a call.
HTH,
Aldo
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