[In IPX-2100]
For extensions, please create a new account and remember their user name and password.
[In ICF-1800]
On the VoIP/SIP page, please follow the messages below:
SIP line: Choose the line you want to register
Server address: The IPX-2100’s IP address
Server port: Server register port default is 5060
Authentication user: 800 (the extension you create in IPX-2100)
SIP user: (the extension you create in IPX-2100)
Display name: The name you want to display on phone screen when pressing the line button.
After saving the modification, the "successfully registered" status will be displayed.