✔ 最佳答案
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回答者 :網絡特工 - 阿 Wing [中學級 5 級]
回答時間:2006-10-25 22:26:31
網友評價 :100% 0% 0% (目前有1人評價)
發問者評價:
檢舉
Telephone advantage
1.Saves the cost
2.To the unification charge which may bear enjoys the infinite amount of use
3.Flow control
4.The customer may distinguish the urgent material like facsimile and the pronunciation which must first receive
5.Strengthens the security
6.The changeable security rank may guard against the illegal invasion and not receive the power the use
7.Best commercial resources use
8.Outputs the pronunciation and the material by the identical mutual office communication capital construction