电话机 [通信] telephone set ; [通信] phone ; phone receiver ; Telephone apparatus ; telephone

来电显示电话机 caller ID telephone ; CALLER ID PHONE ; TSDL

特色电话机 feature phone

计算机电话集成 CTI ; Computer Telephony Integration ; Computer Telecommunication Integration ; Computer Telephony Integrity

录音电话机 dictaphone ; telegraphone ; [通信] recording telephone set ; dictation devices

电话交换机 PBX ; telephone exchange ; PABX

网络电话交换机 IP PBX

电话分机 extension ; [通信] extension telephone ; telephone extension ; ext

电话总机 [通信] central exchange ; switchboard ; central office ; centre

数据电话机 [通信] data phone ; dataphone set