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The free Java library for Asterisk PBX integration.

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package org.asteriskjava.pbx.activities;

import org.asteriskjava.pbx.Activity;
import org.asteriskjava.pbx.Call;
import org.asteriskjava.pbx.Channel;
import org.asteriskjava.pbx.EndPoint;

public interface DialActivity extends Activity {
    /**
     * Returns the end point which originated the dial.
     */
    EndPoint getOriginatingEndPoint();

    /**
     * Returns the end point which is being dialed. This is available even
     * before the dial commences.
     */
    EndPoint getAcceptingEndPoint();

    /**
     * Returns the 'originating' channel which is brought up as part of the dial
     * activity. The 'originating' channel may return null if the channel is not
     * up.
     *
     * @return the 'originating' channel if it has been brought up otherwise
     * null.
     */
    Channel getOriginatingChannel();

    /**
     * Returns the 'accepting' channel which is brought up as part of the dial
     * activity. The accepting party is the party that answers the call. The
     * 'accepting' channel may return null if the channel is not up.
     *
     * @return the 'accepting' channel if it has been brought up otherwise null
     */
    Channel getAcceptingChannel();

    /**
     * Call markCancelled if you want to stop a dial which is in progress from
     * completing. This allows a user to cancel a dial.
     */
    void markCancelled();

    /**
     * Returns true if markCancelled was called during the dial attempt.
     *
     * @return
     */
    boolean cancelledByOperator();

    Call getNewCall();
}