noun
telephone equipment
Technical term used in computing and telecommunications contexts for hardware such as phones, modems, and related devices.
新しい電話機器をオフィスに導入した。
We introduced new telephone equipment to the office.
電話機 refers specifically to a telephone set, while 電話機器 is a broader term covering various telephone-related equipment.
Compound of 電話 (telephone) and 機器 (equipment, device).