Wired - RJ 9 
EHS / DHSG
USB
No ring in the HS
Hook: no function
Volume up/down: works
Mute: works
No ring in the HS
Hook: no function
Volume up/down: works
Mute: works
Bluetooth
Yes (3.15.9)
Below are listed the Sennheiser Headsets that Gigaset has tested with our various devices: -
| Headset | Tested with | ||||||
|---|---|---|---|---|---|---|---|
Wired - RJ 9 | Type | Maxwell 2/3/B | Maxwell 4 | Maxwell 10 | SL750H | Cable | Comment |
| SC 630/660 | Yes (2.15.9) | Yes (2.5.33.1) | 005363 CSTD 24 | ||||
| SC 230/660 | Yes (2.15.9) | Yes (2.5.33.1) | 005363 CSTD 24 | ||||
| CC 550 / IP | Yes (2.15.9) | Yes (2.5.33.1) | 005363 CSTD 24 | ||||
| DW-Series | Yes (2.15.9) | Yes (2.5.33.1) | 005363 CSTD 24 | ||||
| SC 668 | No | No | Rushing noise | ||||
EHS / DHSG | Type | Maxwell 3 | Maxwell 4 | Maxwell 10 | SL750H | Cable | Comment |
| DW series | Yes (2.19.6) | Yes (2.5.33.1) | Maxwell 10 no ring in Headset | ||||
| D10 | Yes | ||||||
USB | Type | Maxwell 3 | Maxwell 4 | Maxwell 10 | SL750H | Cable | Comment |
| SC 660 USB CTRL | Yes (2.15.9) | Yes (2.5.33.1) | No ring in the HS | ||||
| SC 260 USB CTRL | Yes (2.15.9) | Yes (2.5.33.1) | No ring in the HS | ||||
| SP 20 (v. 1.2.24) | Yes (3.15.9) | Yes (3.15.9) | Yes (2.5.33.1) | ||||
| DW-Series | No | No | |||||
| SC60 for Lync (v. 15.05.73.73) | Yes (3.15.9) | Yes (3.15.9) | |||||
Bluetooth | Type | Maxwell 3 | Maxwell 4 | Maxwell 10 | SL750H | Cable | Comment |
| MB pro 1 (v 1.1.16) | Yes (3.15.9) | Yes (3.15.9) | Yes (2.5.33.1) | Yes (116.74.04) | With own BT dongle | ||
| MB pro 1/2 UC | No | With own BT dongle | |||||
| Presence | No | Yes (2.5.33.1) | |||||
On the Sennheiser website you can find this: - Sennheiser Compatibility Guide