VoIP apps can send payloads up to 4096 bytes

doc/connection.markdown

@@ -16,6 +16,8 @@ Options:
 
  - `production` {Boolean} Specifies which environment to connect to: Production (if true) or Sandbox - The hostname will be set automatically. (Defaults to NODE_ENV == "production", i.e. false unless the NODE_ENV environment variable is set accordingly)
 
+ - `voip` {Boolean} Enable when you are using a VoIP certificate to enable paylods up to 4096 bytes.
+
  - `port` {Number} Gateway port (Defaults to: `2195`)
 
  - `rejectUnauthorized` {Boolean} Reject Unauthorized property to be passed through to tls.connect() (Defaults to `true`)

lib/connection.js

@@ -56,6 +56,7 @@ function Connection (options) {
 		pfx: null,
 		passphrase: null,
 		production: (process.env.NODE_ENV === "production"),
+		voip: false,
 		address: null,
 		port: 2195,
 		rejectUnauthorized: true,
@@ -703,8 +704,9 @@ Connection.prototype.transmitNotification = function(socket, notification) {
 
 Connection.prototype.validNotification = function (notification, recipient) {
 	var messageLength = notification.length();
-
-	if (messageLength > 2048) {
+	var maxLength = (this.options.voip ? 4096 : 2048);
+	
+	if (messageLength > maxLength) {
 		util.setImmediate(function () {
 			this.raiseError(Errors['invalidPayloadSize'], notification, recipient);
 			this.emit('transmissionError', Errors['invalidPayloadSize'], notification, recipient);

test/connection.js

@@ -443,5 +443,13 @@ describe("Connection", function() {
 				expect(connection.validNotification(notification)).to.equal(false);
 			});
 		});
+
+		describe("VoIP flag set", function() {
+			it("allows longer payload", function() {
+				var connection = Connection({"voip": true});
+				var notification = { length: function() { return 4096; }};
+				expect(connection.validNotification(notification)).to.equal(true);
+			});
+		});
 	});
 });