計算機術(shù)語-通信
    cti：computer telephone integration，計算機電話綜合技術(shù)
    dbs: direct broadcast satellite，直接衛(wèi)星廣播
    dwdm: dense wavelength division multiplex，波長密集型復(fù)用技術(shù)
    mmds: multichannel multipoint distribution service，多波段多點分發(fā)服務(wù)
    pcm: pulse code modulation，脈沖編碼調(diào)制
    pstn(public switched telephone network，公用交換式電話網(wǎng))
    tapi: telephony application programming interface，電話應(yīng)用程序接口
    tsapi: telephony services application programming interface，電話服務(wù)應(yīng)用程序接口
    wdm: wavelength division multiplex，波分多路復(fù)用