diff --git a/src/net/java/sip/communicator/service/protocol/ContactResource.java b/src/net/java/sip/communicator/service/protocol/ContactResource.java
index 3a766b6e4..096991770 100644
--- a/src/net/java/sip/communicator/service/protocol/ContactResource.java
+++ b/src/net/java/sip/communicator/service/protocol/ContactResource.java
@@ -125,4 +125,35 @@ public boolean isMobile()
     {
         return mobile;
     }
+
+    @Override
+    public int hashCode()
+    {
+        final int prime = 31;
+        int result = 1;
+        result =
+            prime * result
+                + ((resourceName == null) ? 0 : resourceName.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj)
+    {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        ContactResource other = (ContactResource) obj;
+        if (resourceName == null)
+        {
+            if (other.resourceName != null)
+                return false;
+        }
+        else if (!resourceName.equals(other.resourceName))
+            return false;
+        return true;
+    }
 }