src/net/java/sip/communicator/service/protocol/media/AbstractOperationSetTelephonyConferencing.java
/**
     * Notifies this <tt>OperationSetTelephonyConferencing</tt> that its
     * <tt>basicTelephony</tt> property has changed its value from a specific
     * <tt>oldValue</tt> to a specific <tt>newValue</tt>
     *
     * @param oldValue the old value of the <tt>basicTelephony</tt> property
     * @param newValue the new value of the <tt>basicTelephony</tt> property
     */
Notifies this OperationSetTelephonyConferencing that its
basicTelephony property has changed its value from a specific
oldValue to a specific newValue

@param oldValue the old value of the basicTelephony property
@param newValue the new value of the basicTelephony property
Notifies this OperationSetTelephonyConferencing that its basicTelephony property has changed its value from a specific oldValue to a specific newValue @param oldValue the old value of the basicTelephony property @param newValue the new value of the basicTelephony property
protected void basicTelephonyChanged(
            OperationSetBasicTelephonyT oldValue,
            OperationSetBasicTelephonyT newValue)
    {
        if (oldValue != null)
            oldValue.removeCallListener(this);
        if (newValue != null)
            newValue.addCallListener(this);
    }
protected void basicTelephonyChanged ( OperationSetBasicTelephonyT oldValue , OperationSetBasicTelephonyT newValue ) { if ( oldValue != null ) oldValue . removeCallListener ( this ) ; if ( newValue != null ) newValue . addCallListener ( this ) ; }
Notifies this <tt>OperationSetTelephonyConferencing</tt> that its
 <tt>basicTelephony</tt> property has changed its value from a specific
 <tt>oldValue</tt> to a specific <tt>newValue</tt>
Notifies this <tt > OperationSetTelephonyConferencing< / tt > that its <tt > basicTelephony< / tt > property has changed its value from a specific <tt > oldValue< / tt > to a specific <tt > newValue< / tt >