This type of phone can be used for system, centralized and personal administration functions covered by this document. For system and centralized administration, the phone must be connected to one of the first two extension ports on the system.

1608 telephone buttons

The order of button numbering depends on the mode in which the system is running.

For systems running in key system mode, the programmable buttons are numbered from 01 upwards from left to right, bottom to top. The first two buttons are fixed as intercom buttons Intercom 1 and Intercom 2.

For systems running in PBX system mode, the programmable buttons are numbered from 01 upwards from left to right, top to bottom. The first three buttons are fixed as call appearance buttons.

Key System Mode

05

06

07

08

01

02

03

04

PBX System Mode

01

02

03

04

05

06

07

08