[VIP-1010PT] How to register VIP-1010PT to IPX-2100?

[In IPX-2100]
For extensions, please create a new account and remember their user name and password.

[In VIP-1010PT]
On Account/ Basic page.
Account Active = Enable
Display Label = Choice any Display message you want.
Display name: Choice any Display name you want.
Register Name: 204 (in this case)
User name : 204 (in this case)
Password: 123456 (in this case)
Server IP: 192.168.1.21
After saving user can check the register status in "Status" item.