Aastra 6755i User Manual page 128

Softkeys
2. Select from "Key 1" through "Key 20".
3. In the "Type" field, select Last Call Return.
4. In the "Line" field, select the line you want to apply to this key.
Valid values are 1 through 9.
5. In the state fields, check (enable) or uncheck (disable) the states you want to apply to this
softkey.
Programmable Keys
6. Select from "Key 1" through "Key 6"
7. In the "Type" field, select Last Call Return.
8. In the "Line" field, select the line you want to apply to this key.
Valid values are 1 through 9.
Expansion Module Keys
9. Select from "Key 1" through "Key 36" (M670i)
or
Select from "Key 1" through "Key 60" (M675i)
10. In the "Type" field, select Last Call Return.
11. In the "Line" field, select the line you want to apply to this key.
Valid values are 1 through 9.
12. Click
120
to save your changes.
Model 6755i IP Phone User Guide