1 files changed, 20 insertions, 1 deletions
diff --git a/src/org/traccar/protocol/Gps103ProtocolDecoder.java b/src/org/traccar/protocol/Gps103ProtocolDecoder.java
index 821cf2d21..b153984cb 100644
--- a/src/org/traccar/protocol/Gps103ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Gps103ProtocolDecoder.java
@@ -102,6 +102,25 @@ public class Gps103ProtocolDecoder extends BaseProtocolDecoder {
             .any()
             .compile();
 
+    private String decodeAlarm(String value) {
+        switch (value) {
+        case "tracker":
+            return null;
+        case "help me":
+            return Position.ALARM_SOS;
+        case "low battery":
+            return Position.ALARM_LOW_BATTERY;
+        case "stockade":
+            return Position.ALARM_GEOFENCE;
+        case "move":
+            return Position.ALARM_MOVEMENT;
+        case "speed":
+            return Position.ALARM_OVERSPEED;
+        default:
+            return null;
+        }
+    }
+
     @Override
     protected Object decode(
             Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
@@ -195,7 +214,7 @@ public class Gps103ProtocolDecoder extends BaseProtocolDecoder {
         position.setDeviceId(deviceSession.getDeviceId());
 
         String alarm = parser.next();
-        position.set(Position.KEY_ALARM, alarm);
+        position.set(Position.KEY_ALARM, decodeAlarm(alarm));
         if (channel != null && alarm.equals("help me")) {
             channel.write("**,imei:" + imei + ",E;", remoteAddress);
         }