PowerPoint 簡報

ISDN 基本功能及特別業務

1. 發受信號碼顯示

(CLIP: Calling Line Identification Presentation)

(COLP: Connected Line Identification Presentation)

2. 通信保留 (CH: Call Hold)

3. 副址設定 (SUB: Subaddressing)

4. 用戶終端設備移接

(TP: Terminal Portability)

5. 用戶至用戶訊息傳送

(UUS: User-to-User Signalling)

1. 發受信號碼不顯示

(CLIR: Calling Line Identification Restriction)

(COLR: Connected Line Identification Restriction)

2. 多重用戶號碼

(MSN: Multiple Subscriber Number)

3. 指定轉接 (CF: Call Forwarding)

4. 話中插接 (CW: Call Waiting)

基本功能

特別業務