System Functions and Features as of I7.9
208
Call routing
sy
d-
020
0/3.
0
– I7.
9
– 1
1
.2009
Prerequisites
Call forwarding to the exchange is subject to the following requirements:
•
ISDN network interfaces T/T2 (QSIG and analogue are not supported).
•
In point-to-point operation the supplementary service partial rerouting must be
available (subscription may be required).
•
In point-to-multipoint operation the supplementary service call deflection must
be available (subscription may be required).
•
User B must be defined as a
User
-type individual destination in the call distribu-
tion element used by user A to make his call.
•
The relevant authorizations must be enabled.
•
If the call number of the external call forwarding destination is entered as an an-
alysable digit sequence in an LCR table and LCR is activated, the parameter
Use
rerouting in the exchange (PARE)
must be configured to
Yes
in the Account Man-
ager.
System configuration
Tab. 70
Transferring Call Forwarding Unconditional to the exchange: Settings
Parameter
Parameter value
User configuration:
•
Exchange access authorization
yes
•
Rerouting in the Exchange (PARE)
yes
Trunk group configuration:
•
Rerouting in the Exchange (PARE)
yes
•
PSTN supports ‘Identity of Charge’
yes
1)
1)
If the parameter is configured to
Yes
, the PBX also sends the call charge identity when
call forwarding to the exchange is transferred. This ensures that call charge information is
correctly logged in the PBX. The parameter setting depends on whether or not the net-
work operator supports
Identity of Charge
.
•
Network type
Public
•
Protocol
DSS1
Call distribution element:
•
Destination
users
Account Manager:
•
Rerouting in the Exchange (PARE)
yes
