Numbering plan
58
System functions and features as of R4.1
syd-0570/1.2 – R4.1 – 08.2016
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 dialling out
into the network
Users Call numbers of the internal
users The users are assigned
one or more terminals.
20 to n or 200
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 net-
work
User group These call numbers can be
used to dial user groups inter-
nally
860 to n
3)
–
MMCC Internal number of the MMC
Controller.
897 –
Remote maintenance
access PPP
Selects the configuration inter-
face via PPP
898 –
Voice mail Internal call number of the
standard voice mail system. To
activate a mailbox a call is
rerouted to this call number.
899 – Only one voice mail no.
can be created.
Abbreviated dialling Other, user-definable call
numbers are stored under
these numbers
7000 to 7999 –
Door intercom system
4)
Selects the door intercom 851 –
Control output
4)
Freely configurable control
outputs for switching external
equipment
853 to 856 –
Call distribution ele-
ment
Call distribution elements link
direct dialling numbers with
internal call numbers. A call
distribution element can be
assigned its own internal call
number.
Not allocated –
PISN users a) Internal users in a net-
worked system.
b) External users which are
displayed as internal users
and can be dialled as internal
users.
Not allocated –
Own region prefix Level 1 prefix for the region
allocation of a PINX in the
PISN
Not allocated – Prefix, truncated on
detection
* - substitute Substitute digit for pulse dial-
ling phones without * key
Not allocated <Function code>
Category Number / Number Range
Name Explanation Number
1)
Number range Explanation
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