speed calling

One of the customer calling features, allows station users to assign abbreviated codes to selected called numbers. This permits the use of fewer digits than are required normally to dial these selected numbers.一種約定的呼叫方式,使用戶能以縮短代; 碼代替選定的電話號碼。這樣撥選定的電話號碼時可少撥一些數字。