KAREL

Usage Features

Automatic outside line hold
Automatic system check
Call barring
Direct subscriber access
Different ring cadences
External call forwarding
Forwarding to the cheapest rate (LCR)
Trunk access groups
Automatic trunk opening
night service
parallel operators
Reporting system parameters
External line-domestic line connection in case of power failure
remote programming
Internal subscriber groups
Serial call transfer
system administrator
Time and tariff tables
MF/DP dialing
Fax forwarding

Software Features

Memory dialing (public/private)
automatic search
Notify a busy subscriber
queuing up
busy outside line
Busy subscriber
Missed call
Call waiting
call parking
Call transfer
chief secretary grouping
Conference
do not be disturbed
doorphone connection
door opening
Flexible numbering
Call forwarding; all calls, night service, busy extension, missed call
emergency line
Debriefing
intervening
Line-Outline connection
Receiving an outside line
Last number repeat
Announcement
Password usage
phone lock
Call capture
hold music
Reminder/wake up service
volume adjustment

Other Features

Caller ID display (CLIP)
(If only Karel Operator console is used for internal calls,
For external calls, if ID12 device and Karel Operator console are used)
Caller number restriction (CLIR)
Display dialed number (CDLP)
Dialed number restriction (COLR)
Pricing; at the beginning of the call (AOC-S), during the call (AOC-O), at the end of the call (AOC-E)
Multiple subscriber numbering (MSN)
Direct intercom (DDI)
Point-to-point connection
Point-to-multipoint connection
Display of network messages

Special Features for Hotels

Identifying a hotel room subscriber
Check in
Hotel room status (full, empty, reserved)
Room viewing (clean, dirty, cleaning)
locating service
time limit
Search authorization level