diff --git a/lmwsip/tests/stubSipServer.py b/lmwsip/tests/stubSipServer.py
index 1760f94..f7baf21 100755
--- a/lmwsip/tests/stubSipServer.py
+++ b/lmwsip/tests/stubSipServer.py
@@ -88,6 +88,8 @@ class sipProtocol(socketserver.BaseRequestHandler):
                 self.meting()
             elif self.match("LO"):
                 self.send("!")
+            elif self.match("CLOSE"):
+                self.request.close()
             else:
                 self.send("? ERROR")
             self.read()