Spitfire_Yealink_SIP-T22P5Keypad LockYou can lock the following specific keys:MENU Keys: You can not access the MENU of the phone.Function Keys: You can not access the MESSAGE, HEADSET, CONF,HOLD, TRAN, and RD Keys.Talk Call Only: You can only use the phone to answer the incoming calls.To enable keypad lock via Phone interface:• Press MENU->Settings->Advanced, enter the password, and thenpress the Enter soft key.• Select Phone Setting->Lock.• Use the navigation key to highlight the option you want to lock.• Press Save soft key to active the change and back soft key toreturn to the previous screen.• The icon will be displayed on the top right corner of the idlescreen.To unlock the phone via Phone interface:• Press Menu soft key, you are prompted for the password.• Enter the password; press the Enter soft key, the phone isunlocked.• The icon will be disappearing from the idle screen.DirectoryAdding an entry• Press the Addr soft key.• Select Contact List• Press Add soft key• Enter the Name, then scroll using the Up/Down navigation button toenter Office, Mobile and Other numbers.• Press Save soft key to add the contact or Cancel soft key to cancelthe change.