Thanks Daniel, I want to allow any user in the SIP domain to be able to register since i have control over that. What i cant figure out is when i log into Windows Messenger( which right now is not supporting SIP temporarily ) with my SIP user name shouldnt i be registered in the SIP server? How do i check this cause i dont seem to find any record of any user. Since the registrar modules are loaded by default i assume that the server is working as a registrar server too. Am i wrong or am i missing some info. Please guide. Thanks for the support. Annie