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simple play Sample

A simple application that says some text and then plays a wav file (welcome.wav) to an answered inbound or outbound call.

This application requires the wav file welcome.wav to be available in the cloud media store.

Uses actions: Play

    • {
          "actions":
          [
              {
                  "play":
                  {
                      "play_list":
                      [
                          {
                              "text_to_say": "Hello, good evening and welcome."
                          },
                          {
                              "file_to_play": "welcome.wav"
                          }
                      ]
                  }
              }
          ],
          "token": "my instance id",
          "api_version": "2.0"
      }
      
    • {
          [
          ],
          "token" : "Error for Action: xxxx  ActionIndex: xxxx  Result: xxxx"
      }
      
    • {
      }
      
      
    • Implementing this sample as an ASP.Net Web Form application:

      • // CSharp Wrapper sample for the Aculab Telephony REST API.
        //
        // Simple Play:
        // A simple application that says some text and then plays a wav file to an answered inbound call.
        
        using System;
        using System.Collections.Generic;
        using Aculab.Cloud.RestAPIWrapper;
        
        public partial class SimplePlay : System.Web.UI.Page
        {
            protected void Page_Load(object sender, EventArgs e)
            {
                // Unpack the request
                TelephonyRequest ourRequest = new TelephonyRequest(Request);
                String callFrom = ourRequest.InstanceInfo.ThisCall.CallFrom;
        
                // Setup the actions
                List<TelephonyAction> actions = new List<TelephonyAction>();
                Play playAction = Play.SayText("Hello, good evening and welcome.");
                playAction.AddFile("welcome.wav");
                actions.Add(playAction);
        
                // Respond
                String token = String.Format("my instance id");
                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 Mvc application:

      • // ASP.NET Core CSharp Wrapper sample for the Aculab Telephony REST API.
        //
        // Simple Play:
        // The first page of a simple application that says some text and then plays a wav file to an answered inbound call.
        
        using System;
        using System.Collections.Generic;
        using Microsoft.AspNetCore.Mvc;
        using Aculab.Cloud.RestAPIWrapper;
        
        namespace Aculab.Cloud.RESTAPI.NETCoreCSharpSamples.Controllers
        {
            [Route("SimplePlay")]
            public class SimplePlayController : RESTSampleController
            {
                // 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 IActionResult SimplePlay()
                {
                    try
                    {
                        // Unpack the request
                        var telephonyRequest = new TelephonyRequest(Request);
                        String callFrom = telephonyRequest.InstanceInfo.ThisCall.CallFrom;
        
                        // Setup the actions required
                        List<TelephonyAction> actions = new List<TelephonyAction>();
                        Play playAction = Play.SayText("Hello, good evening and welcome.");
                        playAction.AddFile("welcome.wav");
                        actions.Add(playAction);
        
                        // Create response
                        String token = String.Format("my instance id");
                        TelephonyResponse ourResponse = new TelephonyResponse(actions, token);
                        return ourResponse.ToJson(this);
                    }
                    catch (ArgumentException)
                    {
                        return BadRequest();
                    }
                    catch (Exception e)
                    {
                        return StatusCode(500, 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;
        
        namespace Aculab.Cloud.RESTAPI.NETCoreCSharpSamples.Controllers
        {
            public class RESTSampleController : Controller
            {
                // Process the GET or POST request for the Error condition
                [Route("ErrorPage")]
                [HttpGet]
                [HttpPost]
                [ProducesResponseType(200)]
                [ProducesResponseType(400)]
                [ProducesResponseType(500)]
                public IActionResult ErrorPage()
                {
                    try
                    {
                        // Unpack the request
                        var telephonyRequest = new TelephonyRequest(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 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;
        
        namespace Aculab.Cloud.RESTAPI.NETCoreCSharpSamples.Controllers
        {
            public class RESTSampleController : Controller
            {
                // Process the GET or POST request for the Final Page
                [Route("FinalPage")]
                [HttpGet]
                [HttpPost]
                [ProducesResponseType(200)]
                [ProducesResponseType(400)]
                [ProducesResponseType(500)]
                public IActionResult FinalPage()
                {
                    try
                    {
                        // Unpack the request
                        var telephonyRequest = new TelephonyRequest(Request);
                        String token = telephonyRequest.InstanceInfo.Token;
        
                        // Create response
                        // Only very limited actions can be returned here
                        TelephonyResponse ourResponse = new TelephonyResponse(null, token);
                        return ourResponse.ToJson(this);
                    }
                    catch (ArgumentException)
                    {
                        return BadRequest();
                    }
                    catch (Exception e)
                    {
                        return StatusCode((int)HttpStatusCode.InternalServerError, e.Message);
                    }
                }
            }
        }
        
  • Implemented as an ASP.Net Web Form:

    • ' Visual Basic Wrapper sample for the Aculab Telephony REST API.
      '
      ' The first page for the Simple Play sample:
      ' A simple application that says some text and then plays a wav file to an answered inbound call.
      Imports System.Collections.Generic
      Imports Aculab.Cloud.RestAPIWrapper
      
      Partial Class SimplePlay
          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 callFrom As String = ourRequest.InstanceInfo.ThisCall.CallFrom
      
              ' Setup the actions
              Dim actions As List(Of TelephonyAction) = New List(Of TelephonyAction)
              Dim playAction As Play = Play.SayText("Hello, good evening and welcome.")
              playAction.AddFile("welcome.wav")
              actions.Add(playAction)
      
              ' Respond
              Dim token As String = String.Format("my instance id")
              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 a Java Servlet:

    • // Java Servlet sample for the Aculab Telephony REST API.
      //
      // Simple Play:
      // A simple application that says some text and then plays a wav file to an answered inbound call.
      
      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 SimplePlay extends HttpServlet
      {
          private static final long serialVersionUID = -3906337692740787588L;
      
          @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);
      
              // Setup the actions
              List<TelephonyAction> actions = new ArrayList<TelephonyAction>();
              Play playAction = Play.sayText("Hello, good evening and welcome."); 
              playAction.addFile("welcome.wav");
              actions.add(playAction);
      
              // Respond
              String token = String.format("my instance id");
              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('/SimplePlay', methods=['GET','POST'])
      def handle_SimplePlay():
      
          my_request = TelephonyRequest(request)
          app_inst_id = my_request.get_application_instance_id()
          print("SimplePlay: app_inst_id='{}'".format(app_inst_id))
      
          play_action = Play(text_to_say='Hello, good evening and welcome.')
          play_action.append_file(file_to_play='welcome.wav')
      
          list_of_actions = []
          list_of_actions.append(play_action)
          my_response = TelephonyResponse(list_of_actions, token='my instance id')
          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/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, 204
          
      
    • <?php
      header("Content-Type: application/json; charset=UTF-8");
      
      require __DIR__ . "/../../autoload.php";
      
      use Aculab\TelephonyRestAPI\Play;
      use Aculab\TelephonyRestAPI\Response;
      
      $play = new Play();
      $play->addText('Hello, good evening and welcome.');
      $play->addFile('welcome.wav');
      
      $response = new Response();
      $response->setToken('my instance id');
      $response->addAction($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);