- Telephones and telephone apparatus (3)
- Headsets, telephone (1)
- Telephone answering machines (1)
- Telephone central office equipment, dial or manual (2)
- Telephone dialing devices, automatic (1)
- Telephone station equipment and parts, wire (1)
- Message concentrators (2)
- Telephone cords, jacks, adapters, etc. (1)
- Fiber optics communications equipment (7)
