diff --git a/OSCReceiver.gd b/OSCReceiver.gd
index 37e64f5..ffea95c 100644
--- a/OSCReceiver.gd
+++ b/OSCReceiver.gd
@@ -74,22 +74,22 @@ func _poll():
 		_debug("OSC arg types: %s" % types)
 
 		if _observers.has([address, types]):
-			var values = _parse_osc_values(packet, types, offset)
+			var values = _parse_osc_values(packet.slice(offset), types)
 
 			if values == null:
 				_debug("Invalid/Unsupported OSC message.")
 			elif values.size() != types.length():
 				_debug("Mismatch between expected / received number of OSC arguments.")
 			else:
-				values.append({
+				var msg_info = {
 					"ip": sender_ip,
 					"port": sender_port,
 					"address": address,
 					"types": types
-				})
+				}
 
 				for callback in _observers[[address, types]]:
-					callback.callv(values)
+					callback.call(msg_info, values)
 
 func _parse_osc_addr_and_types(packet):
 	var asep = packet.find(0)
@@ -103,10 +103,11 @@ func _parse_osc_addr_and_types(packet):
 	return [address, types, tsep + (4 - tsep % 4)]
 
 
-func _parse_osc_values(packet, types, offset):
+func _parse_osc_values(packet, types):
+	var result
 	var values = []
 	var stream = StreamPeerBuffer.new()
-	stream.set_data_array(packet.slice(offset))
+	stream.set_data_array(packet)
 	stream.set_big_endian(true)
 
 	for type_id in types:
@@ -126,7 +127,7 @@ func _parse_osc_values(packet, types, offset):
 				var null_found = false
 
 				while not null_found:
-					for _i in range(4):
+					for _dummy in range(4):
 						var ch = stream.get_u8()
 						if not null_found and ch != 0:
 							value.append(char(ch))
@@ -136,12 +137,24 @@ func _parse_osc_values(packet, types, offset):
 				values.append("".join(value))
 			"b":
 				var count = stream.get_u32()
-				values.append(stream.get_data(count))
+				result = stream.get_data(count)
 				
-				if count % 4:
-					stream.seek(stream.get_position() + (count % 4))
+				if result[0] == OK:
+					values.append(result[1])
+
+					if count % 4:
+						stream.seek(stream.get_position() + (4 - count % 4))
+				else:
+					_debug("Could not read OSC blob argument.")
+					return
 			"t":
-				values.append(stream.get_data(8))
+				result = stream.get_data(8)
+
+				if result[0] == OK:
+					values.append(result[1])
+				else:
+					_debug("Could not read OSC timetag argument.")
+					return
 			"m", "r":
 				values.append([
 					stream.get_u8(),
@@ -156,7 +169,7 @@ func _parse_osc_values(packet, types, offset):
 			"I", "N":
 				values.append(null)
 			_:
-				_debug("Argument type '%s' not yet supported." % type_id)
+				_debug("Argument type '%s' not supported." % type_id)
 				return
 
 	return values
diff --git a/Slider.gd b/Slider.gd
index c931e69..0153765 100644
--- a/Slider.gd
+++ b/Slider.gd
@@ -1,9 +1,9 @@
 extends VSlider
 
 
-func recv_osc(val, msg_info):
+func recv_osc(msg_info, values):
 	print("Sender IP: %s" % msg_info["ip"])
 	print("Sender Port: %d" % msg_info["port"])
-	print("Adress: %s" % msg_info["address"])
+	print("Address: %s" % msg_info["address"])
 	print("Types: %s" % msg_info["types"])
-	set_value(clampf(val, 0.0, 1.0))
+	set_value(clampf(values[0], 0.0, 1.0))
diff --git a/ToggleButton.gd b/ToggleButton.gd
index cb72837..6b39dab 100644
--- a/ToggleButton.gd
+++ b/ToggleButton.gd
@@ -1,9 +1,9 @@
 extends Button
 
 
-func recv_osc(val, msg_info):
+func recv_osc(msg_info, values):
 	print("Sender IP: %s" % msg_info["ip"])
 	print("Sender Port: %d" % msg_info["port"])
-	print("Adress: %s" % msg_info["address"])
+	print("Address: %s" % msg_info["address"])
 	print("Types: %s" % msg_info["types"])
-	set_pressed_no_signal(bool(val))
+	set_pressed_no_signal(bool(values[0]))
diff --git a/UI.gd b/UI.gd
index 59e4e7f..2b0d484 100644
--- a/UI.gd
+++ b/UI.gd
@@ -19,5 +19,17 @@ func _ready():
 		var button_node = find_child(nodename)
 		osc_server.register_callback(osc_addr, "i", button_node.recv_osc)
 
+	osc_server.register_callback("/string", "s", recv_osc)
+	osc_server.register_callback("/stringint", "si", recv_osc)
+	osc_server.register_callback("/blob", "b", recv_osc)
+	osc_server.register_callback("/blobint", "bi", recv_osc)
+
 	# start listening for osc messages
 	osc_server.start_server()
+
+func recv_osc(msg_info, values):
+	print("Sender IP: %s" % msg_info["ip"])
+	print("Sender Port: %d" % msg_info["port"])
+	print("Address: %s" % msg_info["address"])
+	print("Types: %s" % msg_info["types"])
+	print("Values:", values)