You need to enable mod_eventsocket and confgure a program to connect to the socket that will then be available.  There are several available samples in several languages.  All should be discussed within the wiki.

On Thu, Aug 4, 2011 at 7:09 AM, rahulkrishna <rahulkrishna222@gmail.com> wrote:
Hi., can you please tell me that . how can i track CHANNEL_HANGUP Event .
and in which dailplan i need to write . . please reply

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