System Functions and Features as of I7.9
308
Features
sy
d-
020
0/3.
0
– I7.
9
– 1
1
.2009
Connection services
Tab. 130 Connection services
Rerouting services
Tab. 131 Rerouting services
Call charge services
Tab. 132 Call charge services
Other services
Tab. 133 Other services
Name of the service
Remark
P-P
P-MP
HOLD
Call Hold
Holds a connection in the exchange.
Precondition for enquiry calls, brokering
and three-party conferences in the
exchange
–
✓
ECT
Explicit Call Transfer
Call transfer in the exchange
–
✓
CCBS
Completion of Calls to Busy Subscriber
Callback if busy in the exchange
✓
✓
3PTY
Three-Party Conference
Three-party conference in the exchange
–
✓
Name of the service
Remark
P-P
P-MP
CFU
Call Forwarding Unconditional
CFU in the exchange, supported via */# proce-
dure
✓
✓
CFB
Call Forwarding Busy
CFB in the exchange, supported via
*/# procedure
✓
✓
CFNR
Call Forwarding on No Reply
CFNR in the exchange, supported via */# proce-
dure
✓
✓
CD
Call Deflection
Supported as a user-related feature and used by
the system to transfer CFU / CFNR / CD to the
exchange.
–
✓
PARE
Partial Rerouting
Used by the system to transfer
CFU / CFNR / CD to the exchange.
✓
–
Name of the service
Remark
P-P
P-MP
AOC-D
Advice of Charge (During)
Call charge information during the call
✓
✓
AOC-E
Advice of Charge (End)
Call charge information at the end of the call
✓
✓
Name of the service
Remark
P-P
P-MP
UUS-1
User-to-User Signalling
Signalling from one user to another user
Supported only during setup and only for ISDN
terminals on the S interface.
✓
✓
SUB
Subaddressing
Subaddressing
✓
✓
Keypad Signalling
*/# procedures in the exchange
✓
✓