Please find below a list with supported 3rd party devices for Gigaset Maxwell 10.
All tests were performed by the Gigaset pro support team.

Headsets

Brand	Model
Sennheiser	CC 550 Headset
Jabra	Biz 2400

Brand	Model
Sennheiser	DW10 Office
Jabra	PRO 9400

Brand	Model
Jabra	Supreme
Sennheiser	EZX80

Brand	Model
Sennheiser	DW10 Office DECT
Plantronics	C70 N Headset

Brand	Model
Sennheiser	PC 8
Logitech	PC 960

USB Webcam

Brand	Model
Logitech	Webcam C930e

All those devices work under Android 4.2.2 http://www.ideasonboard.org/uvc/#devices

Brand	Model
Samsung	S22C350H

Brand	Model
Logitech	Illuminated Keyboard

Brand	Model
Logitech	K400

Brand	Model
Logitech	Bluetooth® Illuminated Keyboard K810

USB Stick

Brand	Model
Sandisk	Cruzer USB 32 GB
Kingston	Data Traveler SE9

External HDD

Brand	Model
On Memory	Core 1TB, 2,5 Zoll

Brand
Baudisch
2N