Adding feature activation codes to the menu
To save a feature activation code, press Menu 4 4 4. At the
Feature code: prompt, enter the feature activation code,
then press OK. Scroll to the feature that the code applies to,
then press Select. (If the feature is call forwarding, choose
one of the four types of call forwarding.) Finally, scroll to
Activate, then press OK.
Activate will now appear in the menu for that feature.