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PRINCIPLES OF ARS MECHANISMSCALL SERVER : PRIVATE NETWORKS
Ed. 04 7/18Réf. 3EH 21000 BSAA
If a label is defined for a trunk, the control system checks the validity of the label for the considered
time range. If it is valid, the trunk group is selected if it respects the traffic sharing conditions. If not,
there will be an overflow to the next trunk group. The presence of a label in this field implies the con-
figuring of time slots, groups of days, etc.
Access digits: this field defines the code for accessing an indirect network.
Authorization code: index (1 to 24) in the "client code" table.
Tone/Pause: index (1 to 8) in the "Tone/Pause" table
NETWORK SERVICE PROVIDERS
This table defines the names of the various network service providers associated with a trunk group list
for each time range. The table can also receive internal destinations.
TIME RANGES
The use of time ranges in the ARS allows the operator to select the route offering the best cost condi-
tions at any given instant. Access to the operator can be direct (e.g. Cégétel) or indirect (e.g. Espadon).
The table defines different time ranges and to associate providers with each day group in each range;
it is also possible to enter internal destinations (the same as are indicated in the "Provider / Destina-
tions" table).
4 providers can be associated with each combination of time range/day groups. If 2 labels out of the
4 relate to the same destination, the associated trunk groups must be different so as to enable overflow
if one of the providers is busy.
If no provider is defined for a given combination, a route will be selected from amongst the trunk
groups without associated provider labels, independently of the time ranges. The same mechanism
applies for the days in the week or bank holidays not associated with a day group.
It is recommended to put one trunk group without provider in each trunk group list to be able to flow
the call in all possible cases of figures.
Total number of time ranges: 500 maximum.
Start End Day group Provider /
Destination 1
Provider /
Destination 2
Provider /
Destination 3
Provider /
Destination 4
08:00 1 FT LOCAL ESPADON CEGETEL
2 CEGETEL
3
12:00 1 FT LOCAL
2
3
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