What is the Calisto 620?

Updated by Hayden Everly on Feb 14, 2023

The Calisto 620 is a Bluetooth Speakerphone for use with computers and Bluetooth headsets! The base operates as a speaker as well as a microphone.


Setting up the Calisto 620

1) Charge the unit:

  • With the USB only it will take 2.5hrs (USB only operates as charger)
  • With the wall charger, it will take 1.5 hrs

2) Connect to PC:

  • Connect the Bluetooth USB adapter into the computer (preferably NOT a docking station or hub)
  • Slide the power switch (located above Plantronics) to the on position
  • The LED on the USB adapter will flash and turn solid blue
  • Download the Plantronics Enterprise software
  • Change the computer microphone and speaker to the Plantronics BT300C

3) Connect to Mobile Phone:

  • Place the speaker into pairing mode
  • Press and hold the power button to the left (toward the Bluetooth symbol) until the light to the left of “Plantronics” flashes red and blue
  • Place your mobile phone into search mode, Calisto 620 will pop up
  • If it asks for a passcode, enter 0000
  • Calisto 620 is compatible with Microsoft Lync when the Plantronics Spokes Plantronics Hub (Windows/Mac) is downloaded (Spokes is like Headsetup, but with more features)

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Please use our support database for free headset support, whether you’re a Customer of ours (or not). If you have problems, suggestions, or unanswered questions, please email us at hello@headsets.com (compliments also welcomed 😀)

Looking for office headsets in the UK? Check out Headsets.co.uk.

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What is Headset Answers?

This is the internal support database for Headsets.com. We manufacture and sell office headsets in North America. With over 25 years' experience in the business, we know headsets.

Please use our support database for free headset support, whether you’re a Customer of ours (or not). If you have problems, suggestions, or unanswered questions, please email us at hello@headsets.com (compliments also welcomed 😀)

Looking for office headsets in the UK? Check out Headsets.co.uk.

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