asterisk users - Aug 2005 - Identify call flow from manager events

Hi again,

next problem I have is: I want to write an application which connects
via manager api and displays the current telephone state.

I know I have the action id to identify events which belong together.
But if I have a call going inside asterisk and asterisk rings a phone
these are two channels with different action ids. How can I know that
these channels belong together?

I know there are link events but what if the phone doesn't answer? Then
I have two separate channels.

Can I rely on the number in the action id after the dot? Eg.
111111111111111.0 is the incoming channel and
111111111111111.1 is the next channel belonging to the incoming call
action

I mean if the next channel which starts with 111111111111111. is
created, can I assume that this channel belongs to the incoming channel?

Background: My other problem was that MISDN displays the wrong callerid.
I want to check if an incoming call is via MISDN and display the fixed
callerid in my application (eg. a missing incoming call without a link
event).


Thanks

Christian

On Sat, 2005-08-13 at 11:59 +0200, Christian Peter
wrote:
> I know I have the action id to identify events which belong together.
> But if I have a call going inside asterisk and asterisk rings a phone
> these are two channels with different action ids. How can I know that
> these channels belong together?
> 
> I know there are link events but what if the phone doesn't answer? Then
> I have two separate channels.
With Asterisk stable all you get are the link events when the channels
are linked. With Asterisk CVS-HEAD there is a dial event that informs
your Manager application at dial time about the caller ids and the ids
of the channels.
> Can I rely on the number in the action id after the dot? Eg.
> 111111111111111.0 is the incoming channel and
> 111111111111111.1 is the next channel belonging to the incoming call
> action
not if other channels are created around that time.

=Stefan
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