Cortelco C60 IP Phone User Manual


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8.3.5 Function Key
The phone has 8 programmable DSS/Function keys with associated LEDs and 2
programmable Line keys with LEDs. The 4 directional arrow keys and the OK button are also
programmable. This screen also sets the LCD contrast and enables the backlight. For
additional DSS/Function buttons, up to 5 C10 Expansion modules may be connected.
8.3.5.1 Function Keys
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