1 files changed, 8 insertions, 1 deletions
diff --git a/src/org/traccar/protocol/ItsProtocolDecoder.java b/src/org/traccar/protocol/ItsProtocolDecoder.java
index d3cdb14c3..000e7759f 100644
--- a/src/org/traccar/protocol/ItsProtocolDecoder.java
+++ b/src/org/traccar/protocol/ItsProtocolDecoder.java
@@ -18,6 +18,7 @@ package org.traccar.protocol;
 import io.netty.channel.Channel;
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.DeviceSession;
+import org.traccar.NetworkMessage;
 import org.traccar.Protocol;
 import org.traccar.helper.Parser;
 import org.traccar.helper.PatternBuilder;
@@ -72,7 +73,13 @@ public class ItsProtocolDecoder extends BaseProtocolDecoder {
     protected Object decode(
             Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
 
-        Parser parser = new Parser(PATTERN, (String) msg);
+        String sentence = (String) msg;
+
+        if (channel != null && sentence.startsWith("$,01,")) {
+            channel.writeAndFlush(new NetworkMessage("$,01,", remoteAddress));
+        }
+
+        Parser parser = new Parser(PATTERN, sentence);
         if (!parser.matches()) {
             return null;
         }