Glossary

Callback when the number is busy

If a caller hears the busy tone, he or she can activate the callback function. 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.

Call Forwarding, CF

Automatic redirecting of a call to a different telephone number. A separate call forwarding number can be set up for each MSN. Call forwarding can be triggered in the network provider's exchange or in the base station.

There are three kinds of call forwarding: CFU, Call Forwarding Unconditional CFB, Call Forwarding Busy

CFNR, Call Forwarding No Reply

Call Waiting (CW)

Feature provided by a network operator. An acoustic signal during a call indicates that another caller is waiting. In addition, ISDN phones indicate this with a displayed mes- sage. You can then decide whether to accept or reject the second call.

Calls list

The Calls list stores all the incoming and outgoing calls for the base station. A Calls list filter differentiated the call types (incoming, outgoing, missed). The list stores the number called, date and time of the call and, in some cases, the duration of the call.

CAPI (Common ISDN Application Programming Interface)

Vendor-independent PC device driver for ISDN connections. A CAPI driver enables a PC to use an ISDN connection with fax and telephone software.

CF (Call Forwarding)

See "Call Forwarding"

CLIP (Calling Line Identification Presentation)

This permits transfer of your personal phone number. The person you are calling will see your telephone number.

CLIR (Calling Line Identification Restriction)

This blocks transfer of your personal phone number. The person you are calling will not see your telephone number.

Comfort handset

Handset with special features, e. g. a backlit graphic display, a larger directory capacity or the option of downloading ringtones.

CW (Call Waiting)

See "Call Waiting"

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