Product presentation
The cordless telephone is designed to be used in office environment. It is intended for telephony and has high quality voice.
Functions
Local phonebook (250 contacts) Central phonebook Company phonebook Vibrator
Headset connector Microphone on/off during call Loudspeaking function Voice mail access Centralized Management
* System dependent
3720
X
X*
X
X
X
X
X
X*
X*
Note: Your unit may have more functions than described here; see User Guide, Avaya 3720 DECT Telephone.
Basic functions
Switch the telephone on/off
Press and hold the 
.
Make a call
Dialling can be made in the following ways:
•Dial the number and press the 
.
•Press the 
and enter the number.
•Dial a number from the Local phonebook. Enter the Contacts menu. Select Call contact, select the name
from the list and press Call or the Off-hook key 
.
•Dial a number from the Central phonebook. Enter the Contacts menu. Select Central phonebook > Search by
Avaya 3720 DECT Telephone - Quick Reference Guide
