Being able to check and report the system software version may be useful when reporting any potential problems to the system administrator.

1.Press the Features soft key if shown. To do this during a call, press the key phone PHONE key and then press the Features soft key.
2.Use the up arrow up and down down arrow arrow keys to highlight Phone User. Press Select.
3.Use the up arrow up and down down arrow arrow keys to highlight System Administration. Press Select. If the option is not present then you may not have been configured as a system phone user by your system administrator.
4.Enter your security PIN (login code) and press Done.
5.Use the up arrow up and down down arrow arrow keys to highlight System Information. Press Select.
6.The system displays the following information about itself:
The system type and the level of software it is running.
The IP addresses of the two network interfaces.
The serial number of the license key.