[Freeswitch-users] http://wiki.freeswitch.org/wiki/Java_ESL_Client, how I can make a connection before starting to handle Outbound connection ?

[Marwan Idriss]

Greeting,

bellow is an example to handle outbound connection and make hung up:

but it never show How to make the connection in first place

is their an example in main of how this function work ?

/*
 * Copyright 2010 david varnes.
 *
 * Licensed under the Apache License, version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.freeswitch.esl.client.outbound.example;

import org.freeswitch.esl.client.outbound.AbstractOutboundClientHandler;
import org.freeswitch.esl.client.transport.SendMsg;
import org.freeswitch.esl.client.transport.event.EslEvent;
import org.freeswitch.esl.client.transport.message.EslMessage;
import org.freeswitch.esl.client.transport.message.EslHeaders.Name;
import org.jboss.netty.channel.Channel;
import org.jboss.netty.channel.ChannelHandlerContext;

/**
 * Simple example of a handler for outbound connection from FreeSWITCH
server.
 * This class will log some of the FreeSWTICH call channel variables and
 * then hangup the call.
 *
 * @author  david varnes
 */
public class SimpleHangupOutboundHandler extends
AbstractOutboundClientHandler
{

    @Override
    protected void handleConnectResponse( ChannelHandlerContext ctx,
EslEvent event )
    {
        log.info( "Received connect response [{}]", event );
        if ( event.getEventName().equalsIgnoreCase( "CHANNEL_DATA" ) )
        {
            // this is the response to the initial connect
            log.info( "=======================  incoming channel data
=============================" );
            log.info( "Event-Date-Local: [{}]", event.getEventDateLocal() );
            log.info( "Unique-ID: [{}]", event.getEventHeaders().get(
"Unique-ID" ) );
            log.info( "Channel-ANI: [{}]", event.getEventHeaders().get(
"Channel-ANI" ) );
            log.info( "Answer-State: [{}]", event.getEventHeaders().get(
"Answer-State" ) );
            log.info( "Caller-Destination-Number: [{}]",
event.getEventHeaders().get( "Caller-Destination-Number" ) );
            log.info( "=======================  = = = = = = = = = = =
=============================" );

            // now hangup the call
            hangupCall( ctx.getChannel() );
        }
        else
        {
            throw new IllegalStateException( "Unexpected event after
connect: [" + event.getEventName() + ']' );
        }
    }

    @Override
    protected void handleEslEvent( ChannelHandlerContext ctx, EslEvent
event )
    {
        log.info( "Received event [{}]", event );
    }

    private void hangupCall( Channel channel )
    {
        SendMsg hangupMsg = new SendMsg();
        hangupMsg.addCallCommand( "execute" );
        hangupMsg.addExecuteAppName( "hangup" );

        EslMessage response = sendSyncMultiLineCommand( channel,
hangupMsg.getMsgLines() );

        if ( response.getHeaderValue( Name.REPLY_TEXT ).startsWith( "+OK" )
)
        {
            log.info( "Call hangup successful" );
        }
        else
        {
            log.error( "Call hangup failed: [{}}", response.getHeaderValue(
Name.REPLY_TEXT ) );
        }
    }
}
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