Merge pull request Vonage#38 from Nexmo/transfer-call-with-ncco

Added example to update existing call with an NCCO

Author: Lorna Jane Mitchell

.env-example

@@ -1,7 +1,7 @@
 NEXMO_API_KEY=
 NEXMO_API_SECRET=
-APPLICATION_ID=
-PRIVATE_KEY=
+NEXMO_APPLICATION_ID=
+NEXMO_APPLICATION_PRIVATE_KEY_PATH=
 FROM=
 NEXMO_TO_NUMBER=
 RECIPIENT_NUMBER=

voice/transfer-a-call-with-ncco/index.php

@@ -0,0 +1,34 @@
+<?php
+
+require_once __DIR__ . '/../../config.php';
+require_once __DIR__ . '/../../vendor/autoload.php';
+
+$keypair = new \Nexmo\Client\Credentials\Keypair(file_get_contents(NEXMO_APPLICATION_PRIVATE_KEY_PATH), NEXMO_APPLICATION_ID);
+$client = new \Nexmo\Client($keypair);
+
+if (count($argv) != 2) {
+    error_log("You must supply a UUID of currently connected call to update");
+    exit(1);
+}
+
+$uuid = $argv[1];
+
+try {
+    $client->calls[$uuid]->put([
+        'action' => 'transfer',
+        'destination' => [
+            'type' => 'ncco',
+            'ncco' => [[
+                'action' => 'talk',
+                'text' => 'This call was transferred'
+            ]],
+        ]
+    ]);
+} catch (\Nexmo\Client\Exception\Request $e) {
+    error_log("Client error: " . $e->getMessage());
+    exit(1);
+} catch (\Nexmo\Client\Exception\Server $e) {
+    error_log("Server error: " . $e->getMessage());
+    exit(1);
+}
+