From the Lab - Product Review:
P3200 / P5200
Hands-on testing of two center-of-table USB group
add-on solutions with a speaker and microphone.
Review Date: September 2019
Software Version: Varies by Model
List Price: US $137.95 (P3200), $206.95 (P5200)
The Plantronics Calisto products are center-of-table USB connected speakerphones for use in small to medium meeting rooms.