[Linphone-users] how to log out opensips

[老鬼]

I get a linphone client for my phone and construct a opensips servers on my Ubuntu computer. I register my linphone client on the opensips servers by user name 101, and register user name 102 for another phone , and establish a video call between these two users successfully. But when I replace the user 101 with 103, and use 102 to call 101 it was also call the phone that register by user 103. How to unrigister the user? Please help me , thank you.