On Sun, Jun 30, 2013 at 11:03 PM, Meadows Hoa <[email protected]> wrote:
> > Is there a way to send an event notification from one Channel Driver to > another Channel Driver? If I wanted to have one channel driver do something > custom depending on the call state of the other channel driver involved in > the call, how could you send some kind of event or state notification > directly to this other channel driver? > > Yes, although in general this happens within the Asterisk code itself and is not exposed to the dialplan. Typically, if anything (channel driver, resource module, etc.) wants to notify a channel that something has occurred, it queues a control frame on that channel. Control frames include things like media source changes/media updates, indications that signalling actions should take place, etc. What specific use case are you looking at? Matt -- Matthew Jordan Digium, Inc. | Engineering Manager 445 Jan Davis Drive NW - Huntsville, AL 35806 - USA Check us out at: http://digium.com & http://asterisk.org
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