[Freeswitch-users] Registration Update of Contact List

Hi,     what do i need to change on my configuration files to make  this scenario work:     user1   --------- REGISTER      ------------> Freeswitch     user1  <-------- 401 UnAuthorized -------   Freeswitch     user1   --------- REGISTER w/ Auth -----> Freeswitch     user1   <------- 200 OK  ------------------------   Freeswitch     ----------------------------5 secs delay----------------------------------     user1 ----------- REGISTER w/ Auth(Update) ----->  Freeswitch     user1 <-------- 200 OK   -----------------------     Freeswitch    or is this possible with freeswitch...?     thanks