BT ISDN Technické informace stáhnout pdf (Strana 16)

Sub Addressing

(for ISDN or Business Highway to

ISDN or Business Highway calls only)

Allows you to associate different combinations of

characters (up to 20 alphanumeric characters, except

#) to the number you are dialling, so you can select

particular ISDN devices (or processes within

computers) but still call a single number.

Important supporting information:

Calls from ISDN 2e to ISDN 2 or ISDN 30 (DASS2)

lines are restricted to 6 characters. Likewise, calls

from ISDN 2 or ISDN 30 (DASS2) lines will only send

6 alphanumeric characters.

Calling Line Identity (CLI)

Allows your telephone number to be displayed on the

terminal equipment of the person you’re calling

(assuming they have subscribed to CLIP).

Calling Line Identity Presentation

(CLIP)

Allows you to see who is calling you. You will only

receive this information if the caller has not restricted

the sending of their number.

Calling Line Identity Restriction (CLIR)

You can ask for your telephone number(s) not to be

released.

Connected Line Identity Presentation

(COLP)

Allows you to confirm that the number you have

dialled is the number you are connected to and that

you have not been forwarded to another location.

Activation/deactivation of this facility is not available

on a per call basis.

Connected Line Identity Restriction

(COLR)

You can ask for your telephone numbers not to be

released to callers. Please note that

activation/deactivation is not available on a per call

basis.

Terminal Portability

Allows equipment to be disconnected from its digital

socket and reconnected to another digital socket on

the same extension during a call without losing the

call, if the equipment itself supports this facility.

Call Barring

Permanent Outgoing Call Barring to, for example,

International numbers, is available, as is Incoming

Call Barring.

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