The SDI-7 is a desktop VoIP mission instrument that features a 7" diagonal touchscreen interface. The design does not incorporate high failure components such as a hard drive or fan. The user can touch soft line keys to access voice circuits and soft buttons to activate special functions such as conference focus, conference broadcast and conference join. A setup panel provides buttons for configuring voice activity, VOX sensitivity, etc. The SDI-7 interfaces with one CONTEX system via a built-in DAP.