Using Bluetooth 109
Using Bluetooth
Bluetooth is an open standard for high-performance technology and allows wire-
less communication, for example between PCs and tablets or mobile telephones
and headsets.
In contrast to infrared connections, Bluetooth does not require a visual contact
for communication purposes and can be used over distances of up to 10 meters.
To exchange data between Bluetooth-enabled devices, the devices need to un-
dergo a one-off discovery procedure.
Discoverability
When first enabling a connection to a Bluetooth device, this function must be
switched on ïƒ page 126.
The OpenScape CP700/700X is recognizable by default for other Bluetooth de-
vices once you have opened the pairing menu.
The Interval (ms) discoverability feature is disabled on exiting the pairing menu
in order to prevent misuse.
Pairing
Pairing is the process used by two Bluetooth-enabled devices to "see" one an-
other and to "recognize" that they can exchange data. It is therefore used for
checking the access authorization of a Bluetooth device in a Bluetooth network.
To do this, a 128 bit link key is created for subsequent identification.
Pairing NFC-enabled devices
If your Bluetooth device has a NFC reader (Near Field Communication), it can
be paired very easily with your OpenScape CP700/700X.
The NFC transmitter on the OpenScape CP700/700X is located in the top right
area of the display, to the left of the Presence key and below the "N" logo.
To pair the Bluetooth device, hover over this logo and follow the instructions (see
instructions for Bluetooth device).
A connection is established for devices that are already connected even if
the "Discoverable" function is deactivated.
Pairing is only performed the first time contact is established between a
Bluetooth device and your OpenScape CP700/700X. If the Bluetooth de-
vice is successfully paired, no further access authorization checks are
necessary. Instead, each subsequent check uses the previously created
link key.
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