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 
DL72130/DL72210/DL72240/DL72250/DL72310/DL72340/DL72350/DL72510/
DL72570/DL72580 handset, press  CELL to use the cell line.
Connected - when you pair a Bluetooth device to the DL72130/DL72210/
DL72240/DL72250/DL72310/DL72340/DL72350/DL72510/DL72570/DL72580, 
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.
Device list - The list of devices that have been paired to the telephone. You can 
pair up to 2 Bluetooth enabled devices (cell phones or headset).
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 DL72130/DL72210/
DL72240/DL72250/DL72310/DL72340/DL72350/DL72510/DL72570/DL72580, 
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 to the telephone base. However, only 
one paired device can communicate with the base at a time.
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.