Yealink WHB630T Replacement DECT Base for WH63 Headset for Microsoft Teams The WHB630T-V1 is a DECT base for the Yealink TEAMS-WH63 headset for Microsoft Teams. It runs on DECT 6.0 wireless technology with a wireless range of up to 120 metres. The WHB630T-V1 DECT Base supports dual connection with both PC and IP Phone. The buttons allow for call control and switching between your phone and PC, and the Teams button can activate the Teams application and Cortana. This DECT charging base has a ringer to alert you when there is an incoming call and has visible light indicators to let you know if it is connected to a PC or a phone and indicates if the headset is muted.