Switch to using onAnswer rather than a conference

lib/routes.js

@@ -20,62 +20,31 @@ var conferenceID = 0;
 
 module.exports = function(app){
 
-  // Process an inbound call from an inbound
-  // call made to one of the two numbers
+  // Process an inbound call from an inbound call made to one of the two numbers
   // we've set up
-  app.get('/answer_inbound', function(req, res) {
-    // increment the conference ID so
-    // that every call has a unique conference
-    conferenceID++;
+  app.get('/answer', function(req, res) {
+    var answer_url = 'http://'+process.env['DOMAIN']+'/on-answer?conference_id='+conferenceID
+    console.log(answer_url);
 
-    // create a new call from the number called
-    // to the call center
-    nexmo.calls.create({
-      to: [{
-        type: 'phone',
-        number: process.env['CALL_CENTER_NUMBER']
-      }],
-      from: {
-        type: 'phone',
-        number: req.query.to
-      },
-      // when the second leg of this call is
-      // set up we make sure to pass along the
-      // conference ID
-      answer_url: [
-        'http://'+process.env['DOMAIN']+'/answer_outbound?conference_id='+conferenceID
-      ]
-    }, function(err, suc) {
-      console.log("Error:", err);
-      console.log("Success:", suc);
-
-      // When the call has been set up successfully
-      // we connect the inbound call to a new
-      // conference with the ID specified
-      if (suc) {
-        res.json([
-          {
-            "action": "talk",
-            "text": "Please wait while we connect you"
-          },
-          // When we connect the inbound call to a conference
-          // we keep them on hold and play a ringing sound
-          // until the operator is connected
-          {
-            "action": "conversation",
-            "name": "conversation-"+conferenceID,
-            "startOnEnter": "false",
-            "musicOnHoldUrl": ["https://nexmo-community.github.io/ncco-examples/assets/phone-ringing.mp3"]
-          }
-        ]);
-      }
-    });
+      res.json([
+        {
+          "action": "talk",
+          "text": "Thanks for calling. Please wait while we connect you"
+        },
+        {
+          "action": "connect",
+          "from": req.query.to,
+          "endpoint": [{
+            "type": "phone",
+            "number": process.env['CALL_CENTER_NUMBER'],
+            "onAnswer": {"url": answer_url}
+          }]
+        }
+      ]);
   });
 
-  // Process an outbound call to the call center,
-  // playing a message to the call center operator
-  // before connecting them to the conference ID
-  app.get('/answer_outbound', function(req, res) {
+  // Handle the call center answering the phone, prompt them with information
+  app.get('/on-answer', function(req, res) {
     // we determine the topic of the call
     // based on the inbound call number
     var topic = topics[req.query.from]
@@ -88,12 +57,6 @@ module.exports = function(app){
       {
         "action": "talk",
         "text": "Incoming call regarding "+topic
-      },
-      // Next we connect the call to the same conference,
-      // connecting the 2 parties
-      {
-        "action": "conversation",
-        "name": "conversation-"+req.query.conference_id
       }
     ]);
   });