Aastra 6757i CT User Manual page 125

Softkeys
2. Select from "Key 1" through "Key 10" on the Top keys.
or
Select from "Key 1" through "Key 20" on the Bottom keys.
3. In the "Type" field, select Call Forward.
4. (Bottom Softkeys) In the state fields, check (enable) or uncheck (disable) the states you want
to apply to this softkey.
Expansion Module Keys
5. Select from "Key 1" through "Key 36" (M670i)
or
Select from "Key 1" through "Key 60" (M675i)
6. In the "Type" field, select Call Forward.
7. Click Save Settings.
118 Model 6757i CT IP Phone User Guide