Avaya 3725 User Manual page 100

To delete a contact: select Delete contact, select the name,
press Delete, and then press Yes.
Use the central phonebook
Press the * key and hold until an upright arrow appears in
the display. Enter the first letter(s) of the name. Press .
A search in the central phonebook will be started and the
first matching name will be displayed. You can step to the
next entry in alphabetic order by pressing the Navigation
key. Press the Off-hook key to make the call.
Navigation key and Multifunction button
Predefined functions can be set as short cuts for the right
and left Navigation keys and the Multifunction button. It is
for example possible to define the Multi-function button to
make a call or as a short cut to send a message.
For more information about the Navigation keys and
Multifunction button, see User Guide, Avaya 3725 DECT
Telephone.
Turn the automatic keypad lock on/off
Enter Settings , and step to Locks. Select Automatic
key lock, select On or Off, and press Back. A locked
keypad is indicated by the Key lock icon .
To unlock, press the key , and then the Soft key Yes.
Avaya 3725 DECT Telephone - Quick Reference Guide