System Functions and Features as of I7.9
Numbering Plan 19
syd-0200/3.0 – I7.9 – 11.2009
Tab. 3 Categories in the system's numbering plan with allocated numbers
Category Number / Number Range
Name Explanation Number
1)
Number range Explanation
Exchange access, Busi-
ness
Call charges are added up on
the Business Telephony or
Business Data Service cumu-
lative counter.
0 <ext. call No.> Prefix, truncated
before dialling out
into the network
Exchange access, Private Call charges are added up on
the Private cumulative coun-
ter.
10 <ext. call No.> Prefix, truncated
before dialling out
into the network
Operator Console The PC Operator is stored
under this number
11 –
Emergency number This number is assigned an
emergency number destina-
tion under which three desti-
nation numbers are stored
(depending on the switch
group and switch position).
12 – Up to 10 emer-
gency numbers
can be defined, all
of them assigned
the same emer-
gency number des-
tination.
Cost centre selection The call charges are explicitly
allocated to the selected cost
centre.
13 <CC No.>
<ext. call No.>
Prefix, truncated
together with the
CC No. before dial-
ling out into the
network
Internal users Internal users on the PBX.
The users are assigned one or
more terminals.
20 to n
2)
–
Route selection Routes the outgoing call via
the selected route
170 to n
3)
<ext. call No.> Prefix, truncated
before dialling out
into the network
Door intercom 1
4)
Selects the door intercom 851 –
Door intercom 2
5)
Selects the door intercom 852 –
Relay 1
4)
Freely connectable relay 853 –
Relay 2
4)
Freely connectable relay 854 –
Relay 3
4)
Freely connectable relay 855 –
Relay 4
6)
Freely connectable relay 856 –
User group User groups can be selected
internally, directly with these
numbers
860 to n
3)
–
Remote maintenance
access PPP
Selects the configuration
interface via PPP
898 –
Voice mail Internal number of the Basic/
Enterprise Voice Mail System.
To activate a mailbox a call is
rerouted to this number.
899 – Only one Voice
Mail No. can be cre-
ated.
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