Q. How do you turn on the telephone diagnostic mode?
A. At Main Attendant phone dial 9900 to toggle diagnostics on/off. With diagnostics on, dial 9928 to see the version # of the software. Elementary Secretary phone is "main attendant" phone.
A. At Main Attendant phone dial 9900 to toggle diagnostics on/off. With diagnostics on, dial 9928 to see the version # of the software. Elementary Secretary phone is "main attendant" phone.