6.(Bottom Softkeys) In the state fields, check (enable) or uncheck (disable) the states you want to apply to this softkey.
Expansion Module Keys
7.Select from “Key 1” through “Key 36” (M670i) or
Select from “Key 1” through “Key 60” (M675i)
8.In the "Type" field, select Line to apply to the key.
9.(M675i) In the "Label" field, enter a label to apply to this key.
10.In the "Line" field, select a line to apply to this key. Valid values are 5 through 9.
11.Click 
to save your changes.
Line Keys and Softkeys
Model 6757i CT IP Phone User Guide | 69 |
