CallBridge Collection Version: V2 R3.12.0 Date: 2017-10-11 USB driver OpenStage 30/40 T, optiPoint 500, Octophon F20/F30/F40/F630/F640 T Windows 7/8/2008/8/8.1/10 Version: V3 R0.2.0 Date: 2015-12-15 USB driver OpenStage 60/80 T, Octophon F660/F680 T Windows 7/8/2008/8/8.1/10 Version: V3 R0.3.0 Date: 2015-12-15 Download…