diff --git a/ESH-INF/thing/rts.xml b/ESH-INF/thing/rts.xml
index 935a8ca..7bfc78f 100644
--- a/ESH-INF/thing/rts.xml
+++ b/ESH-INF/thing/rts.xml
@@ -25,9 +25,9 @@
 				<description>Must contain the Protocol + Address + Index (using '-' as separator). For instance : RTS-123ABC-0 (According to the RFLink protocol, Index is not used for now and '0' should be used)</description>
 			</parameter>
 			
-            <parameter name="linkedAddressId" type="text" required="false">
-                <label>Linked Address Id</label>
-                <description>Reference Address Id to project the incoming message (blank by default)</description>
+            <parameter name="echoPattern" type="text" required="false">
+                <label>Echo Pattern</label>
+                <description>Pattern to apply on the incoming message to generate a ECHO command (KEY=newValue, ";" as separator, empty by default)</description>
             </parameter>
 
 			<parameter name="isCommandReversed" type="boolean" required="false">
diff --git a/src/main/java/org/openhab/binding/rflink/config/RfLinkDeviceConfiguration.java b/src/main/java/org/openhab/binding/rflink/config/RfLinkDeviceConfiguration.java
index 151f17c..6b30ab9 100644
--- a/src/main/java/org/openhab/binding/rflink/config/RfLinkDeviceConfiguration.java
+++ b/src/main/java/org/openhab/binding/rflink/config/RfLinkDeviceConfiguration.java
@@ -19,8 +19,8 @@ public class RfLinkDeviceConfiguration {
     // Device Id
     public String deviceId;
 
-    // Linked Adress Id
-    public String linkedAddressId = null;
+    // Pattern to echo the input command
+    public String echoPattern = null;
 
     // Number of times to repeat a message
     public int repeats = 1;
@@ -37,8 +37,8 @@ public String toString() {
                 + (shutterDuration > 0 ? "timing=" + shutterDuration + "s" : "");
     }
 
-    public boolean hasLinkedAddressId() {
-        return linkedAddressId != null && !linkedAddressId.trim().isEmpty();
+    public boolean hasEcho() {
+        return echoPattern != null && !echoPattern.trim().isEmpty();
     }
 
 }
diff --git a/src/main/java/org/openhab/binding/rflink/device/RfLinkAbstractDevice.java b/src/main/java/org/openhab/binding/rflink/device/RfLinkAbstractDevice.java
index 77faec3..0aa236b 100644
--- a/src/main/java/org/openhab/binding/rflink/device/RfLinkAbstractDevice.java
+++ b/src/main/java/org/openhab/binding/rflink/device/RfLinkAbstractDevice.java
@@ -41,7 +41,7 @@ public abstract class RfLinkAbstractDevice implements RfLinkDevice {
     public void initializeFromMessage(RfLinkDeviceConfiguration config, RfLinkMessage message) {
         setConfig(config);
         this.message = message;
-        if (getConfig() != null && getConfig().hasLinkedAddressId()) {
+        if (getConfig() != null && getConfig().hasEcho()) {
             // must "echo" the input command to the linked DeviceId
         }
     }
@@ -86,28 +86,19 @@ public Collection<RfLinkPacket> buildOutputPackets() {
 
     @Override
     public Collection<RfLinkPacket> buildEchoPackets() {
-        if (config.hasLinkedAddressId()) {
+        RfLinkPacket packet = null;
+        if (config.hasEcho()) {
             if (getMessage() != null) {
-                String echoMessage = getMessage().getRawMessage();
-                if (echoMessage != null) {
-                    String sourceAddressId = "ID=" + getMessage().getDeviceId();
-                    String targetAddressId = "ID=" + config.linkedAddressId;
-                    if (echoMessage.contains(sourceAddressId)) {
-                        // take the input message and replace the initial AddressId by the linked addressId
-                        echoMessage = echoMessage.replace(sourceAddressId, targetAddressId);
-                        RfLinkPacket packet = new RfLinkPacket(RfLinkPacketType.ECHO, echoMessage);
-                        return Collections.singletonList(packet);
-                    } else {
-                        // original AddressId not found in the input Message
-                    }
-                } else {
-                    // no initial raw message : unable to build echo message
-                }
+                packet = getMessage().buildEchoPacket(config.echoPattern);
             } else {
                 // no initial message (why are we here ?!?)
             }
         }
+        if (packet != null) {
+            return Collections.singletonList(packet);
+        }
         return Collections.emptyList();
+
     }
 
     // to override in subClasses if needed
diff --git a/src/main/java/org/openhab/binding/rflink/message/RfLinkMessage.java b/src/main/java/org/openhab/binding/rflink/message/RfLinkMessage.java
index 4270b6c..68fa47b 100644
--- a/src/main/java/org/openhab/binding/rflink/message/RfLinkMessage.java
+++ b/src/main/java/org/openhab/binding/rflink/message/RfLinkMessage.java
@@ -65,7 +65,7 @@ public RfLinkMessage(RfLinkDeviceConfiguration config, ChannelUID channelUID, Co
 
     public RfLinkMessage(RfLinkPacket packet) {
         rawMessage = packet.getPacket();
-        final String[] elements = packet.getPacket().split(FIELDS_DELIMITER);
+        final String[] elements = packet.getPacket().split(FIELDS_DELIMITER, 4);
         final int size = elements.length;
         // Every message should have at least 5 parts
         // Example : 20;31;Mebus;ID=c201;TEMP=00cf;
@@ -77,14 +77,8 @@ public RfLinkMessage(RfLinkPacket packet) {
                 seqNbr = (byte) Integer.parseInt(elements[1], 16);
                 protocol = RfLinkDataParser.cleanString(elements[2]);
                 // build the key>value map
-                if (size >= 4) {
-                    for (int i = 3; i < size; i++) {
-                        String[] keyValue = elements[i].split(VALUE_DELIMITER, 2);
-                        if (keyValue.length > 1) {
-                            // Raw values are stored, and will be decoded by sub implementations
-                            attributes.put(keyValue[0], keyValue[1]);
-                        }
-                    }
+                if (size == 4) {
+                    extractAttributes(attributes, elements[3]);
                 }
                 deviceId = attributes.get("ID");
                 deviceSubId = attributes.get("SWITCH");
@@ -92,6 +86,17 @@ public RfLinkMessage(RfLinkPacket packet) {
         }
     }
 
+    public static void extractAttributes(Map<String, String> attributesMap, String attributesAsString) {
+        String[] elements = attributesAsString.split(FIELDS_DELIMITER);
+        for (String element : elements) {
+            String[] keyValue = element.split(VALUE_DELIMITER, 2);
+            if (keyValue.length > 1) {
+                // Raw values are stored, and will be decoded by sub implementations
+                attributesMap.put(keyValue[0], keyValue[1]);
+            }
+        }
+    }
+
     @Override
     public String toString() {
         return getDeviceKey();
@@ -175,4 +180,21 @@ private void appendToMessage(StringBuilder message, String element) {
         message.append(element).append(FIELDS_DELIMITER);
     }
 
+    public RfLinkPacket buildEchoPacket(String echoPattern) {
+        if (getRawMessage() != null) {
+            String echoPacket = getRawMessage();
+            Map<String, String> overridenAttributes = new HashMap<>();
+            RfLinkMessage.extractAttributes(overridenAttributes, echoPattern);
+            for (String overridenAttributeKey : overridenAttributes.keySet()) {
+                String sourceAttribute = overridenAttributeKey + "=" + getAttributes().get(overridenAttributeKey);
+                String targetAttribute = overridenAttributeKey + "=" + overridenAttributes.get(overridenAttributeKey);
+                echoPacket = echoPacket.replace(sourceAttribute, targetAttribute);
+            }
+            return new RfLinkPacket(RfLinkPacketType.ECHO, echoPacket);
+        } else {
+            // no initial raw message : unable to build echo message
+        }
+        return null;
+    }
+
 }