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-rw-r--r--src/main/java/org/traccar/protocol/Jt600ProtocolDecoder.java2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/main/java/org/traccar/protocol/Jt600ProtocolDecoder.java b/src/main/java/org/traccar/protocol/Jt600ProtocolDecoder.java
index da055dff3..82abeb42e 100644
--- a/src/main/java/org/traccar/protocol/Jt600ProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/Jt600ProtocolDecoder.java
@@ -92,7 +92,7 @@ public class Jt600ProtocolDecoder extends BaseProtocolDecoder {
buf.readByte(); // header
- boolean longFormat = buf.getUnsignedByte(buf.readerIndex()) == 0x75;
+ boolean longFormat = buf.getUnsignedByte(buf.readerIndex()) >> 4 == 0x7;
String id = String.valueOf(Long.parseLong(ByteBufUtil.hexDump(buf.readSlice(5))));
DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, id);