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MD Evolution – Dialog 4223 Professional
Operations for Outgoing Calls
Discrimination and Routing of External
Calls
Usually, you have access rights to the public network and all private
networks to which your facility is connected. You also usually have
the authorisation to dial any type of external number, most particularly
a public number.
In terms of the facility programming dictated by your system
administrator, there may be certain external numbers that are
discriminated.
Most particularly, this may apply to numbers for service provided by
the public network, or certain international destinations. An attempt
to dial these numbers would be automatically refused.
Moreover, your facility will also most often be equipped with a Least
Cost Routing (LCR) service for external calls, especially if your facility
is connected to private networks or different public network operators.
The LCR service therefore automatically ensures that the routing of
external numbers you dial will be processed with the least possible
cost, or managed according to the most optimal calling route.
Note: The numbers dialled using abbreviated dialling are
never subjected to any type of discrimination. If you have a
specific need or question concerning discriminated numbers,
you may ask your system administrator or facility attendants
that the numbers in questions be added to the list of abbre-
viated dialling numbers.