diff -r ad9a7853dea2 -r ff8a22d45c44 runtime/WampClient.py
--- a/runtime/WampClient.py	Mon Feb 09 00:45:03 2015 +0100
+++ b/runtime/WampClient.py	Mon Feb 09 10:55:06 2015 +0100
@@ -40,9 +40,10 @@
     def onJoin(self, details):
         global _WampSession
         _WampSession = self
-        print 'WAMP session joined by :', self.config.extra["ID"]
+        ID = self.config.extra["ID"]
+        print 'WAMP session joined by :', ID
         for name in ExposedCalls:
-            reg = yield self.register(MakeCallee(name), name)
+            reg = yield self.register(MakeCallee(name), '.'.join((ID,name)))
 
     def onLeave(self, details):
         global _WampSession