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USB handsets

Plathosys: professional USB handsets with or without PTT for all purposes

Plathosys CT 260 PRO

The professional system solution for control centres

Plathosys CT 220 PRO

Versatile USB handset for office and unified communications

Plathosys CT 140 PRO

The straight-forward USB handset for office and on the go

Unified Communication: professional USB–handset series since 2007

USB handsets (e.g. for Skype for Business) are popular accessories especially in times of unified communications – for many, nothing beats the familiar convenience of a handset. With Plathosys, Horst Platz Beratungs- & Vertriebs GmbH develops Europe’s leading USB handset series.

Turn your PC into a powerful phone with the Plathosys CT PRO USB handsets.

Simply install the appropriate VoIP application/softphone software (Unify, Skype for Business etc.) on your PC and you can make calls in a network with the handset from your PC – the well-designed USB handsets guarantee comfortable working.

Most Plathosys USB handsets are Unify Ready, support Wildix Unified Communications solutions and are Skype for Business certified.


Plug-and-play installation

Supports USB 1.1, USB 2.0 & USB 3.0

Echo cancellation

Echo-free audio quality at the highest level

On/off hook function

Adjustable via API (Application Programming Interface).

API interface

API software available (for developing customer-specific applications)

HAC technology

Hearing aid compatibility in accordance with FCC Part 68.316 and 68.317

Acustic shock protection

in accordance with ETSI EG 202518 und UL 60950-1

Wideband audio quality

Loudspeaker and microphone: Frequency range 100 Hz to 7,500 Hz in accordance with ETSI ES 202 739

Safe and secure

EU conformity according to EU Directive 1995/5/EC (R&TTE Directive)/CE marking


The button can be individually programmed to serve as push-to-talk or push-to-mute button.

Application-specific custom designs for your needs

The handsets in our PLATHOSYS product range have been crafted combining over 50 years of experience and know-how. The customer benefits from technologically advanced USB handsets or gooseneck microphone products with ergonomic design and flexible support. We are ready to develop special solutions for you.

Plathosys USB handsets for professional applications

Visit our website

Detailed information about our products and services can be found on our website.

For sample orders: contact us!

Get in touch!

Service and contact hotline

You have a specific question or need more information? Write us:

7 + 7 =

Horst Platz Beratungs-
und Vertriebs GmbH
August-Winter-Str. 10
61195 Friedrichsdorf
P +49 6175 79596-0
F +49 6175 79596-20