tropo_auto_attendant.php

<?php

// User defined constants.
define("COUCH_DB_USER", "");
define("COUCH_DB_PASSWORD", "");
define("COUCH_DB_NAME", "call_logs/");
define("COUCH_DB_DESIGN_DOCUMENT_NAME", "");
define("COUCH_DB_SHOW_FUNCTION_NAME", "");

// Base URL for accessing Couch DB instance on remote host.
define("COUCH_DB_BASE_URL", "http://%USER%:%PASSWORD%@%USER%.my_couchdb_host.com:5984/");

// Function to lookup phone number by extension.
function getPhoneNumberByExtension(&$ch, $ext) { 				 
	return "18888888888"; // For now, hard code a number to dial.				 
}

// Function to log call record
function logCallRecord(&$ch, $callLog) {

	$baseURL = str_replace(array('%USER%', '%PASSWORD%'), array(COUCH_DB_USER, COUCH_DB_PASSWORD), COUCH_DB_BASE_URL);
	$fullURL = $baseURL.COUCH_DB_NAME;
				 
	curl_setopt($ch, CURLOPT_URL, $fullURL);
	curl_setopt($ch, CURLOPT_POST, true);
	curl_setopt($ch, CURLOPT_POSTFIELDS, $callLog);				 
	curl_exec($ch);
				 
	if (curl_getinfo($ch, CURLINFO_HTTP_CODE) != '201') {
			return false;
	}
	return true;
}
												 
// A CURL handle that will be used to connect to our CouchDB instance.
$ch = curl_init();

// Start the call.
answer(30);
prompt("Hello, welcome to my sample cloud telephone application.", array("bargein" => false));

// Prompt the caller for the extension they want to call.
$event = prompt("Please select an extension.", array("choices" => "[4 DIGITS]", "choiceMode" => "dtmf", "repeat" => "3", "timeout" => "5"));

if($event->name == 'choice') {

  _log("*** User selected ".$event->value." ***");

  $calledPartyInfo = getPhoneNumberByExtension(&$ch, $event->value); // Get the number to transfer to basaed on the extension selected.
  prompt("Please hold while your call is transferred.");
  $tran = transfer("tel:+".$calledPartyInfo, 
                     array(
                            "answerOnMedia" => false,
                	    "callerID"      => "9999999999",
                	    "timeout"       => 60,
                	    "method"        => "bridged",
                	    "choices"       => "1,2,3,4,5,6,7,8,9,0,*,#",
                	    "playvalue"     => "La la la la...",
                	    "onSuccess"     => create_function('$event', '_log("*** Caller Transfered to:  '. $event->value->calledId.');'),
                	    "onError"       => create_function('$event', '_log("*** Transfer error ***");'),
                	    "onTimeout"     => create_function('$event', '_log("*** Transfer timeout ***");'),
                	    "onCallFailure" => create_function('$event', '_log("*** Transfer failed ***");')
));
}

// Log the call record when transfer is over.
$callLog = json_encode(array("number_called" => $calledPartyInfo, "caller_id" => $currentCall.callerID, "time_stamp" => time()));
if (logCallRecord(&$ch, $callLog)) {
	 _log("*** Call record successfuly logged. ***");
}
else {
	_log("*** ERROR: Could not log call record. ***");
}

// End the call.
curl_close($ch);
prompt("The call is now over. Goodbye.", array("bargein" => false));
hangup();

?>