Hi What version of MSN are you using? Because MSN Messenger 5.0 and above does not work with SIP -----Original Message----- From: serusers-bounces(a)iptel.org [mailto:serusers-bounces@lists.iptel.org] On Behalf Of Ansari, Fahriz Sent: Mittwoch, 31. März 2004 20:24 To: serusers(a)lists.iptel.org Subject: [Serusers] msn messenger is not registering with ser Hi, I have ser working fine with all other products with authentication. I have problem with MSN messenger. It is sending request to ser more than about 15 times but ser is not registering. SER is even not responds with any type of error message. Can somebody help me please? Thanks, Fahriz Aqeel Ansari