Swisscom Fixnet Top A321 ISDN, User Manual

Page: 48 / 76

46
20402773en_ba_e0
Network functions (supplementary services)
Recall
This service is dependent on your network operator.
Call back on busy (Completion of Calls to Busy Subscriber / CCBS)
If a number you have dialled is busy, you can activate call back by pressing the softkey
under
CCBS or by pressing and holding down (the acitvated call back is signalled in
the display with ). If call back on busy is activated, a special signal is heard as soon as
the called party has replaced the receiver i.e. as soon as his or her line becomes free.
Delete call back
An activated callback can be deactivated (= deleted) in the relevant menu.
Malicious Call Identification (MCID)
This service is available from Swisscom on request. Once Swisscom has activated the ser-
vice, malicious calls are registered during the call and up to 20 seconds after the receiver
is replaced. The exchange registers the calling number, date and time, even if the caller
has withheld his or her number.