Yealink BT40 – USB Bluetooth Adapter for SIP Phones

Yealink BT40 – Specifications

Overview

• Device type: USB Bluetooth dongle for Yealink IP phones

• Purpose: Adds Bluetooth connectivity to compatible Yealink SIP phones for wireless headset use

Bluetooth & Wireless Features

• Bluetooth version: 4.0 + HS

• Backwards-compatible with older Bluetooth versions (1.1 / 1.2 / 2.0 / 3.0)

• Supports wideband audio / HD voice via Bluetooth headset

• Supports A2DP and standard Bluetooth headset/audio profiles

• Multipoint support: connect to multiple Bluetooth devices simultaneously (up to 4)

• Operating range: up to ~10 meters from phone to headset

Functionality with IP Phones

• Allows answering and ending calls via connected Bluetooth headset

• Adjust headset volume from headset or phone (depending on headset/phone support)

Physical / Connection / Compatibility

• Interface: USB 2.0 — plugs into the USB port of a compatible Yealink SIP phone

• Compact USB-dongle form factor, lightweight

• Compatible with Yealink IP phones that support USB headset or Bluetooth dongle usage

Typical Use Cases

• Office desks for hands-free call handling

• Call centers or reception areas where mobility is needed

• Situations where the user moves around while staying on calls (within Bluetooth range)