GEQUDIO Headset Compatible with Unify OpenStage 30 40 60 80 and OpenScape Series Phone - Includes RJ Cable - Headphones & Microphone with Replacement Pad - Especially Light 60 g (1-Ear) : Amazon.co.uk: Electronics & Photo
Headset for Unify (Siemens) Openstage 30 30TDM40 40TDM 60 G 60TDM 80 80TDM Phone Home Office Call Centre Noise cancelling Mic EAR510 + QD002A: Amazon.co.uk: Electronics & Photo
Unify OpenScape CP700 SIP | Onedirect.co.uk
Unify Headsets | Unify Cordless Headsets | Headsets for Unify Phones | Headset Store
Unify Top F 300 E Phone Large Ear Cup Headset - EAR250D + QD002P | eBay
Unify Optipoint 410 Economy Plus Phone In-the-ear Headset - EAR200