Play MP3 for Caller

[HttpPost]
public ActionResult PlayMP3(string notificationName, string callLegID, string caller, string apiExtension)
{
	return Content(
   "<Response>" +
		"<Play Repeat=\"false\">http://yoursite.com/welcome.mp3</Play>" + //Please add valid MP3 file
   "</Response>", "text/xml");
}

class PlayMp3Controller < ApplicationController

  protect_from_forgery except: :index

  # In routes.rb you need to set the following routing rule
  # post '/play_mp3' => 'play_mp3#index'

  def index

    render :xml => '<?xml version="1.0" encoding="UTF-8"?>
    <Response>
      <Play Repeat="false">http://yoursite.com/welcome.mp3</Play>
    </Response>'
  end

end

<?php
	print "<Response>";
		print "<Play Repeat=\"false\"> http://yoursite.com/welcome.mp3</Play>";
	print "</Response>";
?>

#!c:/Perl64/bin/perl.exe   
print "Content-Type: text/plain\n\n";
#You have to add the directory route of perl.exe, and print the content type

#Send response by print
print 
'<?xml version="1.0" encoding="UTF-8"?>
<Response>
	<Play Repeat="false">http://yoursite.com/welcome.mp3</Play>
</Response>'

Imports Ozeki.Media.MediaHandlers
Imports OPSSDKCommon.Model.Call
Imports OPSSDK
Imports Ozeki.VoIP

Module Module1
    Public Sub Main(args As String())
        Dim client = New OpsClient()
        AddHandler client.ErrorOccurred, Sub(sender, info)
                                             Console.WriteLine(info.Message)
                                         End Sub

        If Not client.Login("ozekixepbx.ip", "admin", "12345") Then
            Return
        End If

        Dim apiExtension = client.GetAPIExtension("9000")
        AddHandler apiExtension.IncomingCall, AddressOf IncomingCall
        Console.ReadLine()
    End Sub

    Private Sub IncomingCall(sender As Object, e As VoIPEventArgs(Of ICall))
        Dim [call] = e.Item
        Dim waveStreamPlayback = New WaveStreamPlayback("c://hello.wav", False, False)
        [call].ConnectAudioSender(waveStreamPlayback)

        AddHandler waveStreamPlayback.Stopped, Sub(s, ev)
                                                   [call].HangUp()
                                               End Sub

        AddHandler [call].CallStateChanged,
            Sub(s, ev)
                If ev.Item = CallState.Answered Then
                    waveStreamPlayback.StartStreaming()
                ElseIf ev.Item.IsCallEnded() Then
                    waveStreamPlayback.Dispose()
                End If
            End Sub

        [call].Accept()
    End Sub
End Module

def application(environ, start_response):
    
    filePath = "http://yoursite.com/welcome.mp3"
    
    result = """<?xml version="1.0" encoding="UTF-8"?>
        <Response>
            <Play Repeat="false">{0}</Play>
        </Response>""".format(filePath)
        
    response_headers = [('Content-type', 'text/plain'), ('Content-Length', str(len(result)))]
    start_response('200 OK', response_headers)

    return [result]

using System;
using OPSSDK;
using OPSSDKCommon.Model.Call;
using Ozeki.Media.MediaHandlers;
using Ozeki.VoIP;

namespace OPS_QuickStartExample_CSharp
{
    class Program
    {
        static void Main(string[] args)
        {
            var client = new OpsClient();
            client.ErrorOccurred += (sender, info) =>
                Console.WriteLine(info.Message);

            if (!client.Login("ozekixepbx.ip", "admin", "12345"))
                return;

            var apiExtension = client.GetAPIExtension("9000");
            apiExtension.IncomingCall += IncomingCall;
            Console.ReadLine();
        }

        private static void IncomingCall(object sender, VoIPEventArgs e)
        {
            var call = e.Item;
            var waveStreamPlayback = new WaveStreamPlayback("c://hello.wav", false, false);
            call.ConnectAudioSender(waveStreamPlayback);
            waveStreamPlayback.Stopped += (s, a) => call.HangUp();

            call.CallStateChanged += (s, ev) =>
            {
                if (ev.Item == CallState.Answered)
                    waveStreamPlayback.StartStreaming();
                else if (ev.Item.IsCallEnded())
                    waveStreamPlayback.Dispose();
            };

            call.Accept();
        }
    }
}

package pbxsampleapp;

import com.sun.net.httpserver.*;
import java.io.*;
import java.net.*;

public class PlayAudioFileForCaller 
{
  public static void main(String[] args)
    {
        try
        {
            System.out.println("Starting http server...");
            HttpServer server = HttpServer.create(new InetSocketAddress(InetAddress.getByAddress(new byte[]{ 0, 0, 0, 0 }), 12345), 0);
            server.createContext("/playaudio", new PbxSampleApp.PBXRequestHandler());
            server.start();
            System.out.println("http server running on " + server.getAddress().toString());
        }
        catch (IOException ex) { System.out.println("Error" + ex.toString()); }
    }

    static class PBXRequestHandler implements HttpHandler
    {
        @Override
        public void handle(HttpExchange httpExchange) throws IOException
        {
            httpExchange.getResponseHeaders().add("Content-type", "text/xml");
            String response = 
                "<?xml version=\"1.0\"?>"
                + "<Response>"
                + "<Play Repeat=\"false\">http://yoursite.com/welcome.mp3</Play>"
                + "</Response>";
            httpExchange.sendResponseHeaders(200, response.length());
            OutputStream os = httpExchange.getResponseBody();
            os.write(response.getBytes());
            os.close();
        }
    }
}