set up automatically. However, Callback must first be activated by
the caller on his or her terminal.
Callback on no reply
You call a subscriber, who does not pick up. With "Callback on no
reply", this is not a problem for you, because with this special fea-
ture, you can set up the connection without having to redial. If you
are not on the telephone yourself, a new connection with the sub-
scriber is set up - for a maximum of 180 minutes.
Called party number
Number of the terminal called.
Caller list
Special-feature telephones such as the T-Concept PX722 system
telephone enable call requests to be stored during absence.
Calling party number
Number of the calling terminal.
CAPI
Common ISDN Application Programming Interface
CAST
A 128-bit encryption algorithm with similar functionality to DES. See
Block Cipher Modes.
CBC
Cipher Block Chaining
CCITT
Consultative Committee for International Telegraphy and Telephony
CD (Call Deflection)
The forwarding of calls. This performance feature enables you to
forward a call without having to take it yourself. If you forward a call
to an external subscriber, you bear any connection costs from your
connection to the destination of the forwarded call. This feature can
therefore be used by system telephones and ISDN telephones that
support this function (see user's guide for terminals). For more in-
formation on using this performance feature with the telephone,
please see the user's guide.
Central speeddial
memory
Performance feature of a PBX. Telephone numbers are stored in a
PBX and can be called from every connected telephone using a key
combination.
Certificate
Certificate
Channel Bundling
Channel bundling
CHAP
Challenge Handshake Authentication Protocol
Checksum field
Frame Check Sequence (FCS)
CLID
Calling Line Identification
Funkwerk Enterprise Communications GmbH
Glossary
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