18
Bluetooth
Glossary of terms
Below are some terms used in this user’s manual to help you become familiar with 
using your Bluetooth devices and your new AT&T telephone system. 
Active device slots - the Device list has two active slots for two cell phones, or 
one cell phone and one headset. When a device in the list is active, it will have a 
1: or 2: in front of the device name. In order to use a Bluetooth device on a call, it 
must be in an active slot and be connected.
Bluetooth cell phone - refers to a mobile Bluetooth enabled cellular telephone.
CELL line - the telephone line associated with your cell phone service. On your 
DL72119/DL72219/DL72319/DL72419/DL72519 handset, press CELL 1 or CELL 2 
to use the cell line.
Connected - when you pair a Bluetooth device to the DL72119/DL72219/
DL72319/DL72419/DL72519, it is placed in an active slot and automatically 
connected. When a device is connected, a 1 and/or 2willdisplayaer  on the 
handset screen. Also, the CELL 1 and/or CELL 2 light on the telephone base 
will be on. If a device loses its connection to the telephone base, it must be 
reconnected before you can use the device with the telephone system.
Disconnected - when device(s) is/are disconnected, 
1
 and/or 
2
 is/are 
not displayed on the handset screen. The CELL 1 and/or CELL 2 light on the 
telephonebaseis/areo.
Discoverable mode - before a Bluetooth enabled device can be paired, it 
must be set to this mode. When pairing your cell phone, the telephone base is 
in this mode. When pairing a headset, the headset must be set to this mode. 
Depending on the manufacturer, this mode is sometimes referred to as Find Me 
or Visibility. 
HOME line - your conventional telephone land line. On your DL72119/DL72219/
DL72319/DL72419/DL72519, press  HOME/FLASH on the handset to use the 
home line.
Paired devices - Bluetooth enabled devices (cell phone or headset) that 
have shared registration information with the telephone base. A total of two 
Bluetooth enabled devices can be paired connected with the telephone base.
Pairing - sometimes refers to as bonding. The process of sharing registration 
information between two Bluetooth enabled devices. Your Bluetooth enabled 
cellphoneorheadsetmustrstbepairedtothetelephonebaseinorderto
use it with this cordless phone system.
PIN - by default, the PIN is 0000 for the telephone base and for most Bluetooth 
devices. PIN information must be exchanged between Bluetooth devices before 
they can be used. This is also known as a Passkey or Passcode.