2 files changed, 8 insertions, 1 deletions
diff --git a/src/org/traccar/protocol/T55ProtocolDecoder.java b/src/org/traccar/protocol/T55ProtocolDecoder.java
index e7a012f8d..da473d994 100644
--- a/src/org/traccar/protocol/T55ProtocolDecoder.java
+++ b/src/org/traccar/protocol/T55ProtocolDecoder.java
@@ -116,7 +116,12 @@ public class T55ProtocolDecoder extends BaseProtocolDecoder {
         else if (sentence.startsWith("IMEI")) {
             identify(sentence.substring(5, sentence.length()));
         }
-        
+
+        // Identification
+        else if (sentence.startsWith("$GPFID")) {
+            identify(sentence.substring(6, sentence.length()));
+        }
+
         // Identification
         else if (Character.isDigit(sentence.charAt(0)) & sentence.length() == 15) {
             identify(sentence);
diff --git a/test/org/traccar/protocol/T55ProtocolDecoderTest.java b/test/org/traccar/protocol/T55ProtocolDecoderTest.java
index 4a8de708c..bf7cf9101 100644
--- a/test/org/traccar/protocol/T55ProtocolDecoderTest.java
+++ b/test/org/traccar/protocol/T55ProtocolDecoderTest.java
@@ -12,6 +12,8 @@ public class T55ProtocolDecoderTest {
 
         T55ProtocolDecoder decoder = new T55ProtocolDecoder(null);
         decoder.setDataManager(new TestDataManager());
+        
+        assertNull(decoder.decode(null, null, "$GPFID,ID123456ABC"));
 
         assertNull(decoder.decode(null, null, "$PGID,359853000144328*0F"));