Yealink BT40 User Manual

Bluetooth USB Dongle BT40
User Guide
This Bluetooth USB dongle BT40 adds Yealink phones
(Bluetooth-enabled) connectivity to a wide variety of
Bluetooth Headset, compatible with Bluetooth
specification V4.0 and backwards compatible with 1.1,
1.2, 2.0 and 3.0.
Packaging Contents
Ending Calls
Troubleshoothing
The following items are included in your package. If
you find anything missing, contact your system
To end a call:
Why can’t the phone detect the Bluetooth headset?
Why there is a noise?
With the Bluetooth headset paired and connected, press the
multifunction key on the Bluetooth headset to end a call.
Ensure the Bluetooth headset is turned on.
Ensure the Bluetooth headset is in pairing mode when the
phone is searching for Bluetooth headsets.
Check the battery level. If the battery level is low, charge
the Bluetooth headset.
Ensure the Bluetooth headset and the phone are within
the working range of 10 meters (32 feet) and there is no
obvious interference (walls, doors, etc.) between them.
Copyright 2016 YEALINK(XIAMEN) NETWORK TECHNOLOGY CO.,LTD
www.yealink.com
USB Dongle User Guide

Yealink BT40 Specifications

General

Interface	Bluetooth
Connectivity technology	Wireless
Chipset	-
Internal	No
Plug and Play	Yes
Product color	Black
Compatible products	Yealink SIP-T46G, SIP-T48G
Wi-Fi band	Single-band (2.4 GHz)
Frequency range	2.402 - 2.48 GHz
Bluetooth version	4.0
Bluetooth profiles	A2DP
Maximum data transfer rate	3 Mbit/s
Maximum operating distance	10 m
Output voltage	5 V
Windows operating systems supported	Windows 2000, Windows 98SE, Windows Vista Home Premium, Windows XP Home

Weight and Dimensions

Depth	14 mm
Width	18 mm
Height	5.5 mm
Weight	2 g

Summary

Ending Calls

How to End a Call

Press the multifunction key on the Bluetooth headset to end a call when paired and connected.

Troubleshooting

Phone Cannot Detect Headset

Ensure the headset is on and in pairing mode when the phone searches for Bluetooth devices.

Headset Noise Issues

Check battery level, ensure proximity within 10 meters, and minimize interference.

Bluetooth USB Dongle BT40 User Guide

Product Overview

Adds Yealink phones Bluetooth connectivity, compatible with various Bluetooth Headsets and specifications.

Packaging Contents

Included Items

Lists the items included in the package. Contact support if anything is missing.

Assembling the USB Dongle

Dongle Assembly Steps

Insert the USB dongle with 'TOP' facing upwards into the phone's USB port.

Pairing and Connecting the Bluetooth Headset to a Phone

Connection Procedure

Turn on headset, assemble dongle, long-press multifunction key, activate phone Bluetooth, scan, and select headset.

Answering Calls

How to Answer

Press the multifunction key on the headset to answer an incoming call.

Adjusting the Earphone Volume

Volume Control

Use the Volume (+) or (-) keys on the Bluetooth headset to adjust the earphone volume during a call.