I
    Integrated Service Digital Network 整體服務(wù)數(shù)字網(wǎng)路
    International Telephone 國(guó)際電話(huà)
    Internet 網(wǎng)際網(wǎng)路
    Internet Access Server/Router 網(wǎng)際網(wǎng)路伺服器/路由器
    International Mobile Equipment Identity(IMEI) 國(guó)際移動(dòng)電話(huà)設(shè)備識(shí)別碼
    Internet Service Provider(ISP) 網(wǎng)際網(wǎng)路服務(wù)公司
    Internetworking Equipment 網(wǎng)際網(wǎng)路設(shè)備
    IP Switch 網(wǎng)際網(wǎng)路交換器
    ISDN CPE ISDN用戶(hù)終端設(shè)備