Siemens Gigaset CX100 isdn User Manual download pdf (Page 69)

ISDN glossary

Gigaset CX100-150isdn / englisch / A31008-X150-G101-1-7619 / glossary.fm / 20.01.2004

Call waiting

CW, Call Waiting. Service provided by the network provider. An acoustic signal

during a call indicates that another caller is waiting. In addition, ISDN phones

indicate this with a displayed message. You can then decide whether to accept or

reject the second call.

Call waiting protection

Deactivates the call waiting signal.

Callback when the call is not answered

If a user does not respond when called, a caller can arrange an automatic callback.

As soon as the destination phone has completed a call and is free again the caller is

rung back. This service must be supported by the exchange. The callback request is

automatically cancelled after about 2 hours (depending on the network provider).

Callback when the number is busy

Callback must first be activated on the caller's terminal. A connection is established

automatically as soon as the destination phone is no longer busy. As soon as the

connection is free the caller is rung back. As soon as the caller lifts his receiver the

connection is made automatically.

Caller identification

Displays caller's phone number, name or type of connection (e.g., exchange/

internal) on the telephone screen.

Calls list

Depending on the setting, the calls list contains callers you haven't reached, or those

you have spoken to. The last 20 missed calls and the last 20 accepted calls are stored

with their phone number, date and time. If wished, you can return the call to these

users directly from this list.

CCBS (Completion of Calls to Busy Subscriber)

See "Callback when the number is busy"

CF (Call Forwarding)

See "Call forwarding"

Channel

Like an analogue connection, an ISDN connection enters the building through two

cables, but for ISDN a distinction is made between the two bearer channels called

the B-channels (which have nothing to do with the physical cables!) and the control

channel, otherwise known as the D channel.

CLI (Calling Line Identification)

The caller's phone number is transmitted.

CLIP (Calling Line Identification Presentation)

User A calls User B. A's phone number appears on B's telephone screen.

CLIR (Calling Line Identification Restriction)

Stops your personal phone number being displayed.

CNIP (Calling Name Identification Presentation)

User A calls User B. A's name appears on B's telephone screen.

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