I am glad to be hear

firstly,i will express my thankfulness to Mr. Neville Mehta.You have given us a perfect article on MSN.It helps me a lot.
Now,I have an question.I am wondering how it does when the clint logout normally and abnormally.
will the server response the "logout" or something else?

and another question:is the port and IP of the notification server and the switchboard server fixed ? or they are mutative?if they are fixed ,what are they?

ok,these are my questions,and I am looking forward for your reply! thanks a lot.

my E-mail:tiantian404@hotmail.com