Auxiliary operator services system voice response 輔助話務(wù)員服務(wù)系統(tǒng)語(yǔ)音應(yīng)答。
Vessel operator service function 船舶操作者業(yè)務(wù)職責(zé)
Ss7 . telecommunications - signalling system number 7 - operator services network capabilities 電信. 7號(hào)信令系統(tǒng)
Fax transmission in chinese and english operator service for further enquiries 職員會(huì)接聽(tīng)及解答市民進(jìn)一步的查詢
Choice of fixed telecommunications network operators service providers fixed line services 可供選擇的固網(wǎng)電訊網(wǎng)絡(luò)營(yíng)辦商或服務(wù)供應(yīng)商(固網(wǎng)電話服務(wù))