User's Manual

Chapter 17: Bluetooth I/O
140 APx500 User’s Manual
•Hangup
A “SCO” is a “Synchronous connection-ori-
ented” link, which is the type of radio link
Bluetooth uses for voice data. The SCO link
is used in the APx supported protocols HFP
and HSP.
Bluetooth Actions for
A2DP Source, HSP AG, AVRCP Target
For this profile set, these actions are available:
A2DP Source
For A2DP Source, the actions are
•Start Streaming / Stop Streaming
HSP Audio Gateway
For HSP Audio Gateway, the actions are
•Open SCO
•Close SCO
•Ring
Bluetooth Actions for
A2DP Sink, HFP Hands Free, AVRCP
Controller
For this profile set, these actions are available:
A2DP Sink/AVRCP
For A2DP Sink/AVRCP, click the
•AVRCP...
button to open the Send AVRCP Command transport
controls panel:
HFP Hands-Free
For HFP Hands Free, the actions are
•Answer
•Reject Call
•Hangup
•Open SCO
•Close SCO
AT Commands
For AT Commands, click the
•AT Commands.
..
b
utton to open the Send AT Commands panel. See
page 140.
Bluetooth Actions for
A2DP Sink, HSP Headset, AVRCP Con-
troller
For this profile set, these actions are available:
A2DP Sink
For A2DP Sink/AVRCP, click the
•AVRCP.
..
b
utton to open the Send AVRCP Command transport
controls panel:
HSP Headset
For HSP Headset, the actions are
•Button
•Open SCO
•Close SCO
Bluetooth: Send AT Commands Dialog
You can open the Send AT Commands dialog by click-
ing Actions > AT Commands from Signal Path Setup, or
from the context menu opened by right-clicking in the
Bluetooth Monitor.
You must have an APx input or output configured for
Bluetooth, and be paired and connected to an appro-
priate Bluetooth HFP profile device.
Phone Call
To make a phone call, enter a new phone number in
the Number field and click Call, or click Redial Last
Number. Disconnect a phone call by clicking Hangup.
AT Command
Enter any valid AT command as a text string, and click
Send to transmit the command to the connected
device.
More About Bluetooth...
General
Bluetooth is a short-distance (a few meters) control,
data, and audio communications wireless technology.
Bluetooth replaces wires in the user’s “personal
area.”
Bluetooth uses low power, frequency-hopping radio in
the 2.4 GHz band. Communication is two-way (for
handshaking, metadata, etc); some profiles (HFP, for
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