9 communications and telephone training system consisting primarily of a power supply, a telephone switching unit, a dial tone telephone line simulator, a single line feature telephone, an attendant display telephone, a multi-button speaker telephone and modular cables; and courseware therefor, namely, printed teachers guides and texts and student's course manuals, workbooks, installation manuals and telephone user's manuals, all sold as a unit to city, county and state officials for official use through direct sales
Trademark: 75074469
