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Article ID: 000028289
Date de dernière modification: 08/12/2022
Access Level: Public

BT600 Firmware Release Notes

Version V2120
May 2021

  Resolved issues
•    Minor bug fixes

Version 2006
November 2020

What’s New
  • Updated LED behavior when used with Microsoft Teams and the headset is disconnected the LED now goes out rather than flashing Blue/Purple.

Resolved Issues
  • Microsoft Teams client would incorrectly come to foreground after certain headset events
  • In Windows 7/10 clicking on Windows volume bar can cause the slider to unexpectedly change
  • Volume level is not synced on macOS

Version 1723

March 2020

What’s new
  • Support for Microsoft Teams certification

BT600 LED Behaviour Table
Headset Function  Firmware V1615 and prior Firmware > V1715,
Microsoft Teams Not Connected
Firmware > V1715,
Teams Connected
Headset disconnected LED off Purple breath, then turn off Blue Purple flash
Headset connected, idle Solid Blue Solid Blue Solid Purple
Headset connected, Streaming music Purple flash Purple flash Solid Purple
Headset connected, and in Call Blue flash Blue flash Blue flash
Headset connected, and call, headset muted Red Red Red
Pairing Red/Blue Red/Blue Red/Blue
Microsoft Teams event notification NA NA Purple flash

  • There is no change to the LED behavior if you are not using Microsoft Teams.
  • Once a BT600 has been used with Microsoft Teams its LED behavior changes as shown above and it remains so going forward, even if Teams is shut down. 

Version 1615 
BT 600 Firmware Version 1615 
May 2019 
What's New

  • Support For Plantronics Elara 60 Series mobile phone station

Version 1610
BT 600 Firmware Version 1610
November 2018
Resolved Issues
  • intermittently BT600 LED indicates music is playing despite audio being paused
  • Skype for Business dial tone setting remains enabled despite having been turned off on Plantronics Hub desktop
  • BT600 LED continues to flash blue (indicating active call audio) despite the headset not being in an active call state
  • When connected to a Polycom desk phone, the phone will freeze or hang up while attempting to connect to a call or meeting

Version 1509

BT 600 Firmware Version 1509

June 2018
Resolved Issue
  • Headsets would not automatically connect to BT600 reliably
Version 1307
BT600 Firmware Version 1307

August 11, 2017

What’s New
  • Retain the user set receive volume for each call 

Resolved Issues
  • A second incoming call was rejected after the first outgoing call was canceled
  • The headset was being shown as a disconnected device even when connected
  • BT600 was taking longer than 10 seconds to pair to a headset
  • Volume sync was intermittent on Windows 10
  • The user can answer a second incoming Skype for Business call while on another call
  • The user was unable to unmute from the headset on Skype for Business for Mac
  • Headset connection information was not being properly displayed in Plantronics Hub
Version 1215
BT600 Firmware Version 1215

December 19, 2016
Resolved Issues
  • Fixed an issue that caused incoming audio to drop when used with Voyager Focus UC or Voyager 5200 UC.
Version 1210
BT600 Firmware Version 1210

What's New
  • Added support for Hold/Resume (flash) behavior with Voyager Focus and Voyager 5200 headsets
  • Improved Bluetooth pairing and reconnect reliability
  • Enhanced mute state handling in multi-call and hold/resume usage
  • Retain correct mute state when going out/in wireless range during an active call
  • Updated Speaker Mute handling to allow MAC to un-mute speaker
  • Miscellaneous bug fixes
Version 1156
BT600 Firmware Version 1156

What's New
  • Improved audio quality and wireless range between the BT600 and Voyager Focus for both mono and stereo telephony.
  • Wideband On/Off setting allows a balance of audio quality vs. wireless range between the BT600 and Voyager Focus.
Note: For improved wireless range to take effect, the Voyager Focus must be updated to firmware version 40 as well as performing this update.
Version 1149
BT600 Firmware Version 1149
  • Initial Release of Product