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-rw-r--r--src/org/traccar/protocol/BceProtocolDecoder.java5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/BceProtocolDecoder.java b/src/org/traccar/protocol/BceProtocolDecoder.java
index 22877a29b..ed810bebb 100644
--- a/src/org/traccar/protocol/BceProtocolDecoder.java
+++ b/src/org/traccar/protocol/BceProtocolDecoder.java
@@ -65,6 +65,11 @@ public class BceProtocolDecoder extends BaseProtocolDecoder {
int dataEnd = buf.readUnsignedShortLE() + buf.readerIndex();
int type = buf.readUnsignedByte();
+
+ if (type != MSG_ASYNC_STACK && type != MSG_TIME_TRIGGERED) {
+ return null;
+ }
+
int confirmKey = buf.readUnsignedByte() & 0x7F;
while (buf.readerIndex() < dataEnd) {