- Communication headgear, telephone (3)
- Headsets, telephone (6)
- Modems (8)
- Switching equipment, telephone (2)
- Telephone answering machines (2)
- Telephone central office equipment, dial or manual (1)
- Telephone dialing devices, automatic (2)
- Telephone sets, all types except cellular radio (6)
- Telephone station equipment and parts, wire (3)
- Telephones, sound powered (no battery) (5)
- Telephones, underwater (1)
- PBX equipment, manual or automatic (2)
- Telegraph or telephone carrier and repeater equipment (5)
- Telephone and telegraph apparatus, nec (4)
- Carrier equipment, telephone or telegraph (2)
- Electronic secretary (1)
- Message concentrators (1)
- Fiber optics communications equipment (27)
