switchboard 交换台
telephone network 电话网
extension 分机
line 电话线
cable 电缆
telephone operator, operator 话务员
token 代金牌,代币
telephone subscriber 电话用户
telephone call, ring 打电话
long-distance call, trunk call 长途电话
local call 市内电话
reverse-charge call 受话人付款的电话
telephoned telegram 电话电报
directory inquiries 地址簿
telephone directory, telephone book 电话号簿
to dial a number 拨号
area code, code number 地区代码
ring 电话铃响
dialing tone 拨号音
engaged tone 占线音
to telephone, to call (up), to ring up，to
make a phone call 通话,给...打电话
to lift the telephone, to pick up the telephone 接电话
put me through to... 我想找...
to hold on 别挂上
to hang up 挂上电话
call accounting system 电话自动记费系统
credit card call信用卡付费电话
magnetic card telephone磁卡电话