Numbering plan
53
System functions and features as of R3.0
syd-0367/1.3 – R3.0 – 03.2013
3. 2. 2 Exchange Access Categories
Tab. 13 Exchange access categories in the internal numbering plan
A call can be transmitted to the public network by selecting a prefix from one of
the exchange access categories.
The cost type (Business, Private), cost centre (cost centre selection) or route (route
selection) is determined according to the prefix selected.
Route selection prefixes are the internal call numbers of the routes.
Route selection can also be used for routing in the private leased-line network.
Category Name
Name Explanation Number
1)
1)
Default settings for Switzerland
Number range Explanation
Exchange access, Busi-
ness
Call charges are added up
on the Voice calls, business
or Data calls business cumu-
lative counter.
0 <ext. call No.> Prefix, truncated
before dialling out
into the network
Exchange access, Pri-
vate
Call charges are added up
on the Voice/Data calls, pri-
vate cumulative counter.
10 <ext. call No.> Prefix, truncated
before dialling out
into the network
Cost centre selection The call charges are explic-
itly 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
Route selection Routes the outgoing call via
the selected route
170 to n
2)
2)
Depends on the system type
<ext. call No.> Prefix, truncated
before dialling out
into the network