1 files changed, 25 insertions, 4 deletions
diff --git a/src/org/traccar/protocol/Gt06ProtocolDecoder.java b/src/org/traccar/protocol/Gt06ProtocolDecoder.java
index e83ced668..18524fcfa 100644
--- a/src/org/traccar/protocol/Gt06ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Gt06ProtocolDecoder.java
@@ -15,9 +15,6 @@
  */
 package org.traccar.protocol;
 
-import java.net.SocketAddress;
-import java.util.TimeZone;
-
 import org.jboss.netty.buffer.ChannelBuffer;
 import org.jboss.netty.buffer.ChannelBuffers;
 import org.jboss.netty.channel.Channel;
@@ -30,6 +27,10 @@ import org.traccar.helper.UnitsConverter;
 import org.traccar.model.Event;
 import org.traccar.model.Position;
 
+import java.net.SocketAddress;
+import java.nio.charset.StandardCharsets;
+import java.util.TimeZone;
+
 public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
 
     private boolean forceTimeZone = false;
@@ -203,7 +204,27 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
 
         } else if (hasDeviceId()) {
 
-            if (isSupported(type)) {
+            if (type == MSG_STRING) {
+
+                Position position = new Position();
+                position.setDeviceId(getDeviceId());
+                position.setProtocol(getProtocolName());
+
+                getLastLocation(position, null);
+
+                int commandLength = buf.readUnsignedByte();
+
+                buf.readUnsignedByte(); // server flag (reserved)
+
+                position.set("command", buf.readBytes(commandLength - 1).toString(StandardCharsets.US_ASCII));
+
+                buf.readUnsignedShort(); // language
+
+                sendResponse(channel, type, buf.readUnsignedShort());
+
+                return position;
+
+            } else if (isSupported(type)) {
 
                 Position position = new Position();
                 position.setDeviceId(getDeviceId());