voice broadcast Sample

An outbound application that handles answered outbound calls that have been classified.

Live speakers are played a notification message and then asked to press a digit to confirm they have received and understood the message. Answering machines are played a different notification message.

Uses actions: Play, Run Menu

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Java
Python
PHP

{
    "actions" :
    [
        {
            "play" :
            {
                "play_list" :
                [
                    {
                        "text_to_say" : "Hello."
                    }
                ]
            }
        },
        {
            "play" :
            {
                "play_list" :
                [
                    {
                        "text_to_say" : "This is a recorded notification message to let you know that Saint Custards Preparatory School will open for the spring term on 5th September next year. Please call <say-as interpret-as='digits'>443069990123</say-as> to let us know that you have received this message."
                    }
                ]
            }
        }
    ],
    "token" : "my voice broadcast instance id",
    "api_version": "2.0"
}

{
    "actions" :
    [
        {
            "play" :
            {
                "play_list" :
                [
                    {
                        "text_to_say" : "Hello."
                    }
                ]
            }
        },
        {
            "play" :
            {
                "play_list" :
                [
                    {
                        "text_to_say" : "This is a notification to let you know that Saint Custards Preparatory School will open for the spring term on 5th September next year."
                    }
                ]
            }
        },
        {
            "run_menu" :
            {
                "prompt" :
                {
                    "play" :
                    {
                        "play_list" :
                        [
                            {
                                "text_to_say" : "Please press 1 to confirm that you have received and understood this message, or press 2 to hear the message again."
                            }
                        ]
                    }
                },
                "menu_options" :
                [
                    {
                        "digit" : "1",
                        "next_page" :
                        {
                            "url" : "ConfirmMessage"
                        }
                    },
                    {
                        "digit" : "2",
                        "next_page" :
                        {
                            "url" : "VoiceBroadcast"
                        }
                    }
                ],
                "on_digit_timeout_messages":
                [
                    {
                        "play" :
                        {
                            "play_list" :
                            [
                                {
                                    "text_to_say" : "I didn't catch your entry."
                                }
                            ]
                        }
                    }
                ],
                "on_invalid_digit_messages" :
                [
                    {
                        "play" :
                        {
                            "play_list" :
                            [
                                {
                                    "text_to_say" : "That wasn't one of the options. Please try again."
                                }
                            ]
                        }
                    }
                ]
            }
        }
    ],
    "token" : "my voice broadcast instance id",
    "api_version": "2.0"
}

{
    "actions" :
    [
        {
            "play" :
            {
                "play_list" :
                [
                    {
                        "text_to_say" : "Thanks for your confirmation. Goodbye."
                    }
                ]
            }
        }
    ],
    "token" : "my voice broadcast instance id",
    "api_version": "2.0"
}

{
    [
    ],
    "token" : "Error for Action: xxxx  ActionIndex: xxxx  Result: xxxx"
}

```
{
}
```

ASP.Net Web App
ASP.Net Core Web App

Implementing this sample as an ASP.Net Web application:

// CSharp Wrapper sample for the Aculab Telephony REST API.
//
// Voice Broadcast:
// An application that handles answered outbound calls that have been classified.
// Live speakers are played a notification message and then asked to press a 
// digit to confirm they have received and understood the message. Answering 
// machines are played a different notification message.

using System;
using System.Collections.Generic;
using Aculab.Cloud.RestAPIWrapper;

public partial class VoiceBroadcast : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        // Unpack the request
        TelephonyRequest ourRequest = new TelephonyRequest(Request);
        String farEndType = ourRequest.InstanceInfo.ThisCall.FarEndType;

        // Setup the actions
        List<TelephonyAction> actions = new List<TelephonyAction>
        {
            Play.SayText("Hello.")
        };

        if (farEndType.CompareTo("answering_machine") == 0)
        {
            // Simply leave a message on the answering machine
            actions.Add(Play.SayText("This is a recorded notification message to let you know that Saint " +
                                     "Custards Preparatory School will open for the spring term on 5th " + 
                                     "September next year. Please call " +
                                     "<say-as interpret-as='digits'>443069990123</say-as> " +
                                     "to let us know that you have received this message."));
        }
        else
        {
            // Play the notification message
            actions.Add(Play.SayText("This is a notification to let you know that Saint Custards Preparatory " + 
                                     "School will open for the spring term on 5th September next year."));
            
            // Set up a run menu action to obtain an acknowledgement or repeat the notification message
            Play prompt = Play.SayText("Please press 1 to confirm that you have received and understood " +
                                       "this message, or press 2 to hear the message again.");
            List<MenuOption> menuOptions = new List<MenuOption>
            {
                new MenuOption('1', new WebPageRequest("ConfirmMessage.aspx")),
                new MenuOption('2', new WebPageRequest("VoiceBroadcast.aspx"))
            };
            RunMenu runMenuAction = new RunMenu(menuOptions, prompt);
            runMenuAction.OnDigitTimeoutMessages = new List<Play>
            {
                Play.SayText("I didn't catch your entry.")
            };
            runMenuAction.OnInvalidDigitMessages = new List<Play>
            {
                Play.SayText("That wasn't one of the options. Please try again.")
            };
            actions.Add(runMenuAction);        
        }

        // Respond
        TelephonyResponse ourResponse = new TelephonyResponse(actions, "my voice broadcast instance id");
        ourResponse.ToHttpResponse(Response);
    }
}

// CSharp Wrapper sample for the Aculab Telephony REST API.
//
// Voice Broadcast:
// ConfirmMessage page

using System;
using System.Collections.Generic;
using Aculab.Cloud.RestAPIWrapper;

public partial class ConfirmMessage : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        // Unpack the request
        TelephonyRequest ourRequest = new TelephonyRequest(Request);
        String token = ourRequest.InstanceInfo.Token;

        // Setup the actions
        List<TelephonyAction> actions = new List<TelephonyAction>();
        actions.Add(Play.SayText("Thanks for your confirmation. Goodbye."));

        // Respond
        TelephonyResponse ourResponse = new TelephonyResponse(actions, token);
        ourResponse.ToHttpResponse(Response);
    }
}

using System;
using Aculab.Cloud.RestAPIWrapper;

public partial class ErrorPage : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        // Unpack the request
        TelephonyRequest ourRequest = new TelephonyRequest(Request);
        ErrorResult result = ourRequest.InstanceInfo.ErrorResult;

        String token = String.Format("Action: {0}\nActionIndex: {1}\nResult: {2}",
            result.Action, result.ActionIndex, result.Result);

        // Respond
        TelephonyResponse ourResponse = new TelephonyResponse(null, token);
        ourResponse.ToHttpResponse(Response);
    }
}

using System;
using Aculab.Cloud.RestAPIWrapper;

public partial class FinalPage : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        // Unpack the request
        TelephonyRequest ourRequest = new TelephonyRequest(Request);
    }
}

Implementing this sample as an ASP.Net Core Web application:

// ASP.NET Core CSharp Wrapper sample for the Aculab Telephony REST API.
//
// Voice Broadcast:
// An application that handles answered outbound calls that have been classified.
// Live speakers are played a notification message and then asked to press a 
// digit to confirm they have received and understood the message. Answering 
// machines are played a different notification message.

using System;
using System.Net;
using System.Collections.Generic;
using Microsoft.AspNetCore.Mvc;
using Aculab.Cloud.RestAPIWrapper;
using System.Threading.Tasks;

namespace Aculab.Cloud.RESTAPI.NETCoreCSharpSamples.Controllers
{
    [Route("VoiceBroadcast")]
    public class VoiceBroadcastController : ControllerBase
    {
        // Process the GET or POST request, set up the actions and construct the json response.
        [Route("FirstPage")]
        [HttpGet]
        [HttpPost]
        [ProducesResponseType(200)]
        [ProducesResponseType(400)]
        [ProducesResponseType(500)]
        public async Task<IActionResult> VoiceBroadcast()
        {
            try
            {
                // Unpack the request
                var telephonyRequest = await TelephonyRequest.UnpackRequestAsync(Request);
                String farEndType = telephonyRequest.InstanceInfo.ThisCall.FarEndType;

                // Setup the actions required
                List<TelephonyAction> actions = new List<TelephonyAction>();
                actions.Add(Play.SayText("Hello."));

                if (farEndType.CompareTo("answering_machine") == 0)
                {
                    // Simply leave a message on the answering machine
                    actions.Add(Play.SayText("This is a recorded notification message to let you know that Saint " +
                                             "Custards Preparatory School will open for the spring term on 5th " +
                                             "September next year. Please call " +
                                             "<say-as interpret-as='digits'>443069990123</say-as> " +
                                             "to let us know that you have received this message."));
                }
                else
                {
                    // Play the notification message
                    actions.Add(Play.SayText("This is a notification to let you know that Saint Custards Preparatory " +
                                             "School will open for the spring term on 5th September next year."));

                    // Set up a run menu action to obtain an acknowledgement or repeat the notification message
                    Play prompt = Play.SayText("Please press 1 to confirm that you have received and understood " +
                                               "this message, or press 2 to hear the message again.");
                    List<MenuOption> menuOptions = new List<MenuOption>()
                    {
                        new MenuOption('1', new WebPageRequest("VoiceBroadcast/ConfirmMessage")),
                        new MenuOption('2', new WebPageRequest("VoiceBroadcast/FirstPage"))
                    };
                    RunMenu runMenuAction = new RunMenu(menuOptions, prompt);
                    runMenuAction.OnDigitTimeoutMessages = new List<Play>()
                    {
                        Play.SayText("I didn't catch your entry.")
                    };
                    runMenuAction.OnInvalidDigitMessages = new List<Play>()
                    {
                        Play.SayText("That wasn't one of the options. " +
                                     "Please try again.")
                    };
                    actions.Add(runMenuAction);
                }

                // Create response
                TelephonyResponse ourResponse = new TelephonyResponse(actions, "my voice broadcast instance id");
                return new OkObjectResult(ourResponse.ToJson(this));
            }
            catch (ArgumentException)
            {
                return BadRequest();
            }
            catch (Exception e)
            {
                return StatusCode((int)HttpStatusCode.InternalServerError, e.Message);
            }
        }
    }
}

// ASP.NET Core CSharp Wrapper sample for the Aculab Telephony REST API.
//
// Voice Broadcast:
// An application that handles answered outbound calls that have been classified.
// Live speakers are played a notification message and then asked to press a 
// digit to confirm they have received and understood the message. Answering 
// machines are played a different notification message.

using System;
using System.Net;
using System.Collections.Generic;
using Microsoft.AspNetCore.Mvc;
using Aculab.Cloud.RestAPIWrapper;
using System.Threading.Tasks;

namespace Aculab.Cloud.RESTAPI.NETCoreCSharpSamples.Controllers
{
    [Route("VoiceBroadcast")]
    public class VoiceBroadcastController : ControllerBase
    {
        // Process the GET or POST request, set up the actions and construct the json response.
        [Route("ConfirmMessage")]
        [HttpGet]
        [HttpPost]
        [ProducesResponseType(200)]
        [ProducesResponseType(400)]
        [ProducesResponseType(500)]
        public async Task<IActionResult> ConfirmMessage()
        {
            try
            {
                // Unpack the request
                var telephonyRequest = await TelephonyRequest.UnpackRequestAsync(Request);
                String token = telephonyRequest.InstanceInfo.Token;

                // Setup the actions required
                List<TelephonyAction> actions = new List<TelephonyAction>()
                {
                    Play.SayText("Thanks for your confirmation. Goodbye.")
                };

                // Create response
                TelephonyResponse ourResponse = new TelephonyResponse(actions, token);
                return new OkObjectResult(ourResponse.ToJson(this));
            }
            catch (ArgumentException)
            {
                return BadRequest();
            }
            catch (Exception e)
            {
                return StatusCode((int)HttpStatusCode.InternalServerError, e.Message);
            }
        }
    }
}

// ASP.NET Core CSharp Wrapper sample for the Aculab Telephony REST API.

using System;
using Microsoft.AspNetCore.Mvc;
using Aculab.Cloud.RestAPIWrapper;
using System.Net;
using System.Threading.Tasks;

namespace Aculab.Cloud.RESTAPI.NETCoreCSharpSamples.Controllers
{
    public class RESTSampleController : ControllerBase
    {
        // Process the GET or POST request for the Error condition
        [Route("ErrorPage")]
        [HttpGet]
        [HttpPost]
        [ProducesResponseType(200)]
        [ProducesResponseType(400)]
        [ProducesResponseType(500)]
        public async Task<IActionResult> ErrorPage()
        {
            try
            {
                // Unpack the request
                var telephonyRequest = await TelephonyRequest.UnpackRequestAsync(Request);
                ErrorResult result = telephonyRequest.InstanceInfo.ErrorResult;

                String token = String.Format("Action: {0}\nActionIndex: {1}\nResult: {2}",
                    result.Action, result.ActionIndex, result.Result);

                // Create response
                TelephonyResponse ourResponse = new TelephonyResponse(null, token);
                return new OkObjectResult(ourResponse.ToJson(this));
            }
            catch (ArgumentException)
            {
                return BadRequest();
            }
            catch (Exception e)
            {
                return StatusCode((int)HttpStatusCode.InternalServerError, e.Message);
            }
        }
    }
}

// ASP.NET Core CSharp Wrapper sample for the Aculab Telephony REST API.

using System;
using Microsoft.AspNetCore.Mvc;
using Aculab.Cloud.RestAPIWrapper;
using System.Net;
using System.Threading.Tasks;

namespace Aculab.Cloud.RESTAPI.NETCoreCSharpSamples.Controllers
{
    public class RESTSampleController : ControllerBase
    {
        // Process the GET or POST request for the Final Page
        [Route("FinalPage")]
        [HttpGet]
        [HttpPost]
        [ProducesResponseType(200)]
        [ProducesResponseType(400)]
        [ProducesResponseType(500)]
        public async Task<IActionResult> FinalPage()
        {
            try
            {
                // Unpack the request
                var telephonyRequest = await TelephonyRequest.UnpackRequestAsync(Request);
                String token = telephonyRequest.InstanceInfo.Token;

                // Create response
                // Only very limited actions can be returned here
                TelephonyResponse ourResponse = new TelephonyResponse(null, token);
                return new OkObjectResult(ourResponse.ToJson(this));
            }
            catch (ArgumentException)
            {
                return BadRequest();
            }
            catch (Exception e)
            {
                return StatusCode((int)HttpStatusCode.InternalServerError, e.Message);
            }
        }
    }
}

Implemented as ASP.Net Web App:

' Visual Basic Wrapper sample for the Aculab Telephony REST API.
'
' The first page for the Voice Broadcast sample:
' An application that handles answered outbound calls that have been classified.
' Live speakers are played a notification message and then asked to press a 
' digit to confirm they have received and understood the message. Answering 
' machines are played a different notification message.
Imports System.Collections.Generic
Imports Aculab.Cloud.RestAPIWrapper

Partial Class VoiceBroadcast
    Inherits System.Web.UI.Page

    Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)

        ' Unpack the request
        Dim ourRequest As TelephonyRequest = New TelephonyRequest(Request)

        Dim farEndType As String = ourRequest.InstanceInfo.ThisCall.FarEndType

        ' Setup the actions
        Dim actions As List(Of TelephonyAction) = New List(Of TelephonyAction)

        actions.Add(Play.SayText("Hello."))

        If farEndType.CompareTo("answering_machine") = 0 Then
            ' Simply leave a message on the answering machine
            actions.Add(Play.SayText("This is a recorded notification message to let you know that Saint " +
                                     "Custards Preparatory School will open for the spring term on 5th " +
                                     "September next year. Please call " +
                                     "<say-as interpret-as='digits'>443069990123</say-as> " +
                                     "to let us know that you have received this message."))
        Else
            ' Play the notification message
            actions.Add(Play.SayText("This is a notification to let you know that Saint Custards Preparatory " + _
                                     "School will open for the spring term on 5th September next year."))

            ' Set up a run menu action to obtain an acknowledgement or repeat the notification message
            Dim prompt As Play = Play.SayText("Please press 1 to confirm that you have received and understood " +
                                       "this message, or press 2 to hear the message again.")
            Dim menuOptions As List(Of MenuOption) = New List(Of MenuOption)
            menuOptions.Add(New MenuOption("1", New WebPageRequest("ConfirmMessage.aspx")))
            menuOptions.Add(New MenuOption("2", New WebPageRequest("VoiceBroadcast.aspx")))
            Dim runMenuAction As RunMenu = New RunMenu(menuOptions, prompt)
            runMenuAction.OnDigitTimeoutMessages = New List(Of Play) From {
                Play.SayText("I didn't catch your entry.")
            }
            runMenuAction.OnInvalidDigitMessages = New List(Of Play) From {
                Play.SayText("That wasn't one of the options. Please try again.")
            }
            actions.Add(runMenuAction)
        End If

        ' Respond
        Dim ourResponse As TelephonyResponse = New TelephonyResponse(actions, "my voice broadcast instance id")
        ourResponse.ToHttpResponse(Response)
    End Sub
End Class

' Visual Basic Wrapper sample for the Aculab Telephony REST API.
'
' A page from the Voice Broadcast sample:
' This plays a confirmation message.
Imports System.Collections.Generic
Imports Aculab.Cloud.RestAPIWrapper

Partial Class ConfirmMessage
    Inherits System.Web.UI.Page

    Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)

        ' Unpack the request
        Dim ourRequest As TelephonyRequest = New TelephonyRequest(Request)
        Dim token As String = ourRequest.InstanceInfo.Token

        ' Setup the actions
        Dim actions As List(Of TelephonyAction) = New List(Of TelephonyAction)
        actions.Add(Play.SayText("Thanks for your confirmation. Goodbye."))

        ' Respond
        Dim ourResponse As TelephonyResponse = New TelephonyResponse(actions, token)
        ourResponse.ToHttpResponse(Response)
    End Sub
End Class

' Visual Basic Wrapper sample for the Aculab Telephony REST API.
'
' A generic error page for all the samples.
Imports Aculab.Cloud.RestAPIWrapper

Partial Class ErrorPage
    Inherits System.Web.UI.Page

    Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)

        ' Unpack the request
        Dim ourRequest As TelephonyRequest = New TelephonyRequest(Request)
        Dim result As ErrorResult = ourRequest.InstanceInfo.ErrorResult

        Dim token As String = String.Format("Action: {0}\nActionIndex: {1}\nResult: {2}", _
            result.Action, result.ActionIndex, result.Result)

        ' Respond
        Dim ourResponse As TelephonyResponse = New TelephonyResponse(token)
        ourResponse.ToHttpResponse(Response)
    End Sub
End Class

' Visual Basic Wrapper sample for the Aculab Telephony REST API.
'
' A generic final page for all the samples:
Imports Aculab.Cloud.RestAPIWrapper

Partial Class FinalPage
    Inherits System.Web.UI.Page

    Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)

        ' Unpack the request
        Dim ourRequest As TelephonyRequest = New TelephonyRequest(Request)

        ' Do application tidying up
        ' ...
    End Sub
End Class

Implemented as Java Servlets:

// Java Servlet sample for the Aculab Telephony REST API.
//
// Voice Broadcast:
// An application that handles answered outbound calls that have been classified.
// Live speakers are played a notification message and then asked to press a 
// digit to confirm they have received and understood the message. Answering 
// machines are played a different notification message.

package com.aculab.telephonyrestapi.samples;

import javax.servlet.http.*;
import javax.servlet.ServletException;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import com.aculab.telephonyrestapi.*;

public class VoiceBroadcast extends HttpServlet
{
    private static final long serialVersionUID = -3689455870958870956L;

    @Override
    public void doGet(HttpServletRequest request,
                      HttpServletResponse response)
        throws IOException, ServletException
    {
       	handleRequest(request, response);
    }
    
    @Override
    public void doPost(HttpServletRequest request,
            HttpServletResponse response)
                    throws IOException, ServletException
    {
    	handleRequest(request, response);
    }
    
    private void handleRequest(HttpServletRequest request,
                               HttpServletResponse response) throws IOException
    {
        // Unpack the request
        TelephonyRequest ourRequest = new TelephonyRequest(request);

        String farEndType = ourRequest.getInstanceInfo().getThisCall().getFarEndType();

        // Set up the actions
        List<TelephonyAction> actions = new ArrayList<TelephonyAction>();

        actions.add(Play.sayText("Hello."));

        if (farEndType.compareTo("answering_machine") == 0)
        {
            // Simply leave a message on the answering machine
            actions.add(Play.sayText("This is a recorded notification message to let you know that Saint " +
                                     "Custards Preparatory School will open for the spring term on 5th " + 
                                     "September next year. Please call " +
                                     "<say-as interpret-as='digits'>443069990123</say-as> " +
                                     "to let us know that you have received this message."));
        }
        else
        {
            // Play the notification message
            actions.add(Play.sayText("This is a notification to let you know that Saint Custards Preparatory " + 
                                     "School will open for the spring term on 5th September next year."));
            
            // Set up a run menu action to obtain an acknowledgement or repeat the notification message
            Play prompt = Play.sayText("Please press 1 to confirm that you have received and understood " +
                                       "this message, or press 2 to hear the message again.");
            List<MenuOption> menuOptions = new ArrayList<MenuOption>();
            menuOptions.add(new MenuOption('1', new WebPageRequest("ConfirmMessage")));
            menuOptions.add(new MenuOption('2', new WebPageRequest("VoiceBroadcast")));
            RunMenu runMenuAction = new RunMenu(prompt, menuOptions);
            List<Play> timeoutMsgs = new ArrayList<Play>();
            timeoutMsgs.add(Play.sayText("I didn't catch your entry.", "Paul"));
            runMenuAction.setOnDigitTimeoutMessages(timeoutMsgs);
            List<Play> invalidMsgs = new ArrayList<Play>();
            invalidMsgs.add(Play.sayText("That wasn't one of the options. Please try again.", "Paul"));
            runMenuAction.setOnInvalidDigitMessages(invalidMsgs);

            actions.add(runMenuAction);        
        }

        // Respond
        TelephonyResponse ourResponse = new TelephonyResponse(actions, "my voice broadcast instance id");
        ourResponse.setHttpServletResponse(response);
    }
}

// Java Servlet sample for the Aculab Telephony REST API.
//

package com.aculab.telephonyrestapi.samples;

import javax.servlet.http.*;
import javax.servlet.ServletException;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import com.aculab.telephonyrestapi.*;

public class ConfirmMessage extends HttpServlet
{
	private static final long serialVersionUID = 1052633605054507967L;

    @Override
    public void doGet(HttpServletRequest request,
                      HttpServletResponse response)
        throws IOException, ServletException
    {
       	handleRequest(request, response);
    }
    
    @Override
    public void doPost(HttpServletRequest request,
            HttpServletResponse response)
                    throws IOException, ServletException
    {
    	handleRequest(request, response);
    }
    
    private void handleRequest(HttpServletRequest request,
                               HttpServletResponse response) throws IOException
    {
        // Unpack the request
        TelephonyRequest ourRequest = new TelephonyRequest(request);

        String token = ourRequest.getInstanceInfo().getToken();

        // Set up the actions
        List<TelephonyAction> actions = new ArrayList<TelephonyAction>();
        actions.add(Play.sayText("Thanks for your confirmation. Goodbye.", "Paul"));

        // Respond
        TelephonyResponse ourResponse = new TelephonyResponse(actions, token);
        ourResponse.setHttpServletResponse(response);
    }
}

// Java Servlet sample for the Aculab Telephony REST API.
//

package com.aculab.telephonyrestapi.samples;

import javax.servlet.http.*;
import javax.servlet.ServletException;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import com.aculab.telephonyrestapi.*;

public class ErrorPage extends HttpServlet
{
    private static final long serialVersionUID = -4842873371047361437L;

    @Override
    public void doGet(HttpServletRequest request,
                      HttpServletResponse response)
        throws IOException, ServletException
    {
       	handleRequest(request, response);
    }
    
    @Override
    public void doPost(HttpServletRequest request,
            HttpServletResponse response)
                    throws IOException, ServletException
    {
    	handleRequest(request, response);
    }
    
    private void handleRequest(HttpServletRequest request,
                               HttpServletResponse response) throws IOException
    {
        // Unpack the request
        TelephonyRequest ourRequest = new TelephonyRequest(request);

        ErrorResult result = ourRequest.getInstanceInfo().getErrorResult();

        String token = String.format("Action: %s\nActionIndex: %d\nResult: %s", result.getAction(), result.getActionIndex(), result.getResult());
        
        // Respond
        List<TelephonyAction> actions = new ArrayList<TelephonyAction>();
        TelephonyResponse ourResponse = new TelephonyResponse(actions, token);
        ourResponse.setHttpServletResponse(response);
    }
}

// Java Servlet sample for the Aculab Telephony REST API.
//

package com.aculab.telephonyrestapi.samples;

import javax.servlet.http.*;
import javax.servlet.ServletException;
import java.io.IOException;
import com.aculab.telephonyrestapi.*;

public class FinalPage extends HttpServlet
{
    private static final long serialVersionUID = 5940620014313056844L;

    @Override
    public void doGet(HttpServletRequest request,
                      HttpServletResponse response)
        throws IOException, ServletException
    {
       	handleRequest(request, response);
    }
    
    @Override
    public void doPost(HttpServletRequest request,
            HttpServletResponse response)
                    throws IOException, ServletException
    {
    	handleRequest(request, response);
    }
    
    private void handleRequest(HttpServletRequest request,
                               HttpServletResponse response) throws IOException
    {
        // Unpack the request
        TelephonyRequest ourRequest = new TelephonyRequest(request);
    }
}

Implemented as a Flask web application:

@app.route('/VoiceBroadcast', methods=['GET','POST'])
def handle_VoiceBroadcast():

    my_request = TelephonyRequest(request)
    app_inst_id = my_request.get_application_instance_id()
    print("VoiceBroadcast: app_inst_id='{}'".format(app_inst_id))
    
    # get the call classification (machine / non-machine)
    this_call = my_request.get_this_call()
    
    list_of_actions = []

    list_of_actions.append(Play(text_to_say="Hello."))

    # the far end type will only be available if classify is enabled
    far_end_type = this_call.get('far_end_type', 'unknown')

    if far_end_type.find('answering_machine') != -1:
        play_action = Play(text_to_say=("This is a recorded notification message to let you know that Saint "
                                        "Custards Preparatory School will open for the spring term on 5th "
                                        "September next year. Please call "
                                        "<say-as interpret-as='digits'>443069990123</say-as> "
                                        "to let us know that you have received this message."))
        list_of_actions.append(play_action)
    else:
        play_action = Play(text_to_say=("This is a notification to let you know that Saint Custards Preparatory "
                                        "School will open for the spring term on 5th September next year."))
        list_of_actions.append(play_action)

        menu_options = []
        menu_options.append(MenuOption('1',WebPage(url='ConfirmMessage')))
        menu_options.append(MenuOption('2',WebPage(url='VoiceBroadcast')))

        # set up a run menu action to obtain an acknowledgement or repeat the notification message
        my_menu = RunMenu(menu_options)
        my_menu.set_prompt(Play(text_to_say=("Please press 1 to confirm that you have received and understood "
                                                 "this message, or press 2 to hear the message again.")))
        my_menu.set_on_digit_timeout_messages([Play(text_to_say="I didn't catch your entry.")])
        my_menu.set_on_invalid_digit_messages([Play(text_to_say="That wasn't one of the options. Please try again.")])
        list_of_actions.append(my_menu)

    my_response = TelephonyResponse(list_of_actions, token='my voice broadcast instance id')
    return my_response.get_json()

@app.route('/ConfirmMessage', methods=['GET','POST'])
def handle_ConfirmMessage():

    my_request = TelephonyRequest(request)
    my_token = my_request.get_token()

    list_of_actions = []
    list_of_actions.append(Play(text_to_say="Thanks for your confirmation. Goodbye."))
    my_response = TelephonyResponse(list_of_actions, my_token)
    return my_response.get_json()

@app.route('/ErrorPage', methods=['GET','POST'])
def handle_ErrorPage():
    
    my_request = TelephonyRequest(request)
    token = my_request.get_token()
    app_inst_id = my_request.get_application_instance_id()
    error_result_dict = my_request.get_error_result()
    action_string = error_result_dict.get('action', "?")
    result_string = error_result_dict.get('result', "?")
    print("ErrorPage: app_inst_id='{}' token='{}' action='{}' result='{}'".format(app_inst_id, token, action_string, result_string))
    
    my_response = TelephonyResponse([Play(text_to_say='An error has occurred')])
    return my_response.get_json()

@app.route('/FinalPage', methods=['GET','POST'])
def handle_FinalPage():
    # The FinalPage handler follows the guidelines on:
    # https://www.aculab.com/cloud/voice-and-fax-apis/rest-api/rest-api-version-2/rest-api-version-2/writing-a-rest-application
    # The guidelines are:
    #   "Your final page should return an empty response, a 204 is preferable, but empty JSON is acceptable."
    my_request = TelephonyRequest(request)
    token = my_request.get_token()
    app_inst_id = my_request.get_application_instance_id()
    print("FinalPage: app_inst_id='{}' token='{}'".format(app_inst_id, token))
    empty_json = '{}'.encode('utf-8')
    return empty_json

<?php
header("Content-Type: application/json; charset=UTF-8");

require __DIR__ . "/../../autoload.php";

// set headers to prevent the page being cached by intermediaries
header("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1
header("Expires: Sat, 26 Jul 1997 05:00:00 GMT"); // Date in the past

header("Content-Type: application/json; charset=UTF-8");

use \Aculab\TelephonyRestAPI\InstanceInfo;
use \Aculab\TelephonyRestAPI\Response;
use \Aculab\TelephonyRestAPI\Play;
use \Aculab\TelephonyRestAPI\RunMenu;
use \Aculab\TelephonyRestAPI\MessageList;

$info = InstanceInfo::getInstanceInfo();
$endType = '';
$response = new Response();
if ($info != null) {
    $response->setToken($info->getToken());

    $callInfo = $info->getThisCallInfo();
    if ($callInfo != null) {
        $endType = $callInfo->getFarEndType();
    }
}

$response->addAction(Play::sayText("Hello."));

if ($endType == 'human') {
    $response->addAction(
        Play::sayText(
            "This is a notification to let you know that Saint Custards Preparatory " .
            "School will open for the spring term on 5th September next year."
        )
    );
    // Create the menu action
    $menuPrompt = Play::sayText(
        "Please press 1 to confirm that you have " .
        "received and understood this message, " . 
        "or press 2 to hear the message again."
    );
    $menu = new RunMenu();
    $menu->setPrompt($menuPrompt);
    $menu->addMenuOption('1', 'ConfirmMessage.php');
    $menu->addMenuOption('2', 'First.php');

    // Set up some new info messages for digit timeout and invalid digit
    $onDigitTimeoutMessages = new MessageList();
    $onDigitTimeoutMessages->addMessage(
        Play::sayText(
            "I didn't catch your entry."
        )
    );
    $menu->setOnDigitTimeoutMessages($onDigitTimeoutMessages);

    $onInvalidDigitMessages = new MessageList();
    $onInvalidDigitMessages->addMessage(
        Play::sayText(
            "That wasn't one of the options. Please try again."
        )
    );
    $menu->setOnInvalidDigitMessages($onInvalidDigitMessages);

    $response->addAction($menu);
} elseif ($endType == 'answering_machine') {
    $response->addAction(
        Play::sayText(
            "This is a recorded notification message to let you know that Saint " .
            "Custards Preparatory School will open for the spring term on 5th " .
            "September next year. Please call " .
            "<say-as interpret-as='digits'>443069990123</say-as> " .
            "to let us know that you have received this message."
        )
    );
} // else no actions, so the call will be disconnected
print $response;

<?php
header("Content-Type: application/json; charset=UTF-8");

require __DIR__ . "/../../autoload.php";

use \Aculab\TelephonyRestAPI\Play;
use \Aculab\TelephonyRestAPI\Response;
use \Aculab\TelephonyRestAPI\InstanceInfo;

$info = InstanceInfo::getInstanceInfo();

$response = new Response();
$response->setToken($info->getToken());

$play = new Play();
$play->addText('Thanks for your confirmation. Goodbye.');
$response->addAction($play);

print $response;

<?php
header("Content-Type: application/json; charset=UTF-8");

require __DIR__ . "/../../autoload.php";

use Aculab\TelephonyRestAPI\Play;
use Aculab\TelephonyRestAPI\Response;
use Aculab\TelephonyRestAPI\InstanceInfo;

$info = InstanceInfo::getInstanceInfo();

$error = $info->getErrorResult();
$action = $error->getAction();
$desc = $error->getResult();
if (!is_null($action)) {
    error_log("Error from action \"$action\" with result:" . PHP_EOL . "$desc" . PHP_EOL);
} else {
    error_log("Error result:" . PHP_EOL . "$desc" . PHP_EOL);
}

$response = new Response();
$response->setToken('Error');

$play = new Play();
$play->addText('An error has occurred.');
$response->addAction($play);

print $response;

<?php
require __DIR__ . "/../../autoload.php";

http_response_code(204);
header("Content-Type: application/json; charset=UTF-8");

use Aculab\TelephonyRestAPI\InstanceInfo;

$info = InstanceInfo::getInstanceInfo();
$call = $info->getThisCallInfo();
$callid = $call->getCallId();
$duration = $call->getSecondsCallDuration();
error_log("This call id: $callid" . PHP_EOL . "This call duration: $duration" . PHP_EOL);