- Telephones and telephone apparatus (11)
- Facsimile equipment (1)
- Headsets, telephone (5)
- Modems (1)
- Telephone answering machines (1)
- Telephone sets, all types except cellular radio (1)
- Telephone station equipment and parts, wire (1)
- PBX equipment, manual or automatic (1)
- Telegraph or telephone carrier and repeater equipment (1)
- Carrier equipment, telephone or telegraph (2)
- Data sets, telephone or telegraph (2)
- Electronic secretary (1)
- Message concentrators (3)
- Fiber optics communications equipment (11)
