src/net/java/sip/communicator/service/protocol/SingleCallInProgressPolicy.java
/**
         * Upon a <tt>Call</tt> changing its state to
         * <tt>CallState.CALL_IN_PROGRESS</tt>, puts the other existing
         * <tt>Call</tt>s on hold.
         *
         * @param ev the <tt>CallChangeEvent</tt> that we are to deliver.
         *
         * @see CallChangeListener#callStateChanged(CallChangeEvent)
         */
Upon a Call changing its state to
CallState.CALL_IN_PROGRESS, puts the other existing
Calls on hold.

@param ev the CallChangeEvent that we are to deliver.


Upon a Call changing its state to CallState . CALL_IN_PROGRESS puts the other existing Calls on hold . @param ev the CallChangeEvent that we are to deliver .
public void callStateChanged(CallChangeEvent ev)
        {
            if (ev.getEventType().equals(CallChangeEvent.CALL_STATE_CHANGE))
                SingleCallInProgressPolicy.this.callStateChanged(ev);
        }
public void callStateChanged ( CallChangeEvent ev ) { if ( ev . getEventType ( ) . equals ( CallChangeEvent . CALL_STATE_CHANGE ) ) SingleCallInProgressPolicy . this . callStateChanged ( ev ) ; }
Upon a <tt>Call</tt> changing its state to
 <tt>CallState.CALL_IN_PROGRESS</tt>, puts the other existing
 <tt>Call</tt>s on hold.
Upon a <tt > Call< / tt > changing its state to <tt > CallState . CALL_IN_PROGRESS< / tt > puts the other existing <tt > Call< / tt > s on hold .
// we are interested only in CALL_STATE_CHANGEs