Desk:+91-44-1234556 xtn: 4556
想请教xtn是什么意思?
正确的应该是:EXT: 是 extention的缩写,表示分机号码
DECK,指的是办贺敏公室则拍清的电话孙前
Mean : " Extension " . It's a key phone system for the office. Once u get through the line on the desk, need to transfer the line to the extension number.
分机号。