Altigen AltiContact Manager Version 5.0 Administration Manual page 114

To Begin Upgrade
You can restart your computer now or later, then click Finish to end
Setup.
21. If the CT Bus test fails, it is recommended that you address the CT Bus
failure before you reboot the system. You can manually run the CT
Bus test program through Start>AltiWare>AltiWare Tools>CT Bus
test.
22. Reboot the system to finish the upgrade process.
3-26 AltiContact Manager Administration Manual