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| Chinese | English |
| 内部互通电话机 | intercommunicating telephone set |
| 对讲电话 | intercommunicating telephone set |
| 挂胸式胸前电话机 | breast telephone |
| 插人式话筒 | inset transmitter |
| 査号台话务员 | directory operator |
| 电话塞子 | attaching plug |
| 相互交互，人-机对话式査询话 | interactive query |
| 自动电话业务 | dial service |
| 话终吊牌 | clearing indicator |
| 调度电话机 | dispatcher telephone |
| 送受话器叉簧头 | cradle head |
| 通话电路信道 | talk channel |