OpenScape WLAN Phone WL4 Analog and ISDN phones Analog (a/b) phones Digital (S0) ISDN phones Please note: Devices, which are no longer part of the current product portfolio of Unify, (such as optiPoint 410/420/500; Gigaset Handsets: SL3/S4/M2; OpenStage 5/10/20/30/60/80) can...