Avaya 3720 User Manual page 80

Use the local phonebook
To find and call a name: Enter "Contacts" , step to
"Call contact" and press "Select". Enter the first letter of the
name or the whole name (will be displayed in Search field
while entering text), or step in the contact list. Select the
name and press "Call".
To edit the contact: Select "Edit contact", select the name
and press "Edit". Make your changes and press "OK" and
then press "Save".
To add a contact: select "Add contact", select Name, add
the name and press "OK". Select the type of number you
want to add, enter the number, press "OK" and press
"Save".
To delete a contact: select "Delete contact", select the
name, press "Delete" and then press "Yes".
Use the central phonebook
Enter "Contacts" , step to "Central Phonebook" and
press "Select". Enter the first letter(s) of the name or step in
the list. Press the Off-hook key to make the call.
Turn the automatic keypad lock on/off
Enter "Settings" , and step to "Locks". Select
"Automatic key lock off/on", select "On/Off", and press
"Back". A locked keypad is indicated by the "Key lock"
icon.
To unlock, press the * key, and then Soft key "Yes".
Avaya 3720 DECT Telephone - Quick Reference Guide