
ISDN Features
358 Features Guide
Calling Line Identification Restriction (CLIR)
Description
Allows the extension user to restrict the presentation of the calling party's number to the called
party when making a call. This is one of the ISDN supplementary services.
Conditions
• Calling Line Identification Presentation (CLIP)
If CLIP service is enabled, the called party can find out who is calling before deciding to
answer the call.
• ISDN Public Switched Telephone Network
This feature applies to the calls over the ISDN Public Switched Telephone Network.
• Hardware Requirements
To utilize this feature, a BRI card (KX-TD50288) or a PRI23 card (KX-TD50290) is
required.
Installation Manual References
• 2.5.6 BRI Card (KX-TD50288)
• 2.5.7 PRI23 Card (KX-TD50290)
Programming Guide References
• 1.2 Slot Assignment
• 1.8 BRI Port Assignment
• 1.8 BRI Port Assignment
–Type
–GroupNo.
• 1.9 PRI Port Assignment
–Type
–GroupNo.
• 2.3 Numbering Plan
– CLIR / CNIR
•4.2TrunkLine
– Subscriber
• 4.3 Extension Line
– [CLIP Number] Public
• 4.7 ISDN Extension Line
– [CLIP Number] Public
Features Guide References
2.2 ISDN Originating Features
• Calling Line Identification Presentation (CLIP)