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Number Lists
A Number List is a data structure that constitutes digit and character strings which must be configured for the
system to support the features described in the following.
SARVAM UMG supports 24 Number Lists. Each Number List can contain upto 64 entries of a maximum of 24
characters each.
You need to configure Number Lists for the features described in the following. By default, each of these features is
assigned particular Number Lists. You may retain the Number List assigned by default, or configure another
Number List and assign this list to the feature.
Allowed - Denied Logic
You can apply the Allowed-Denied logic on a source port—FXS, FXO, SIP, BRI, Mobile, SIP and T1E1—if you want
to allow or restrict the dialing of particular numbers. You can use this feature for Toll Control.
The Allowed-Denied logic makes use of two Number Lists:
•
Allowed Number List: This is the list of numbers that can be dialed out from the source port.
•
Denied Number List: This is the list of numbers that are to be restricted from being dialed out from the
source port.
Both the lists must be first programmed separately for each port and then assigned to the respective port.
When Allowed-Denied Logic is enabled on a source port, for each number dialed from the port, SARVAM UMG
uses the best-match-found logic to compare the dialed number with the Allowed Number List and the Denied
Number List.
The number is allowed to be dialed, if the dialed number:
•
matches with both lists.
•
matches with Allowed Number List, but not with the Denied Number List.
•
matches with neither the Allowed List nor the Denied List.
The number is denied, if it matches with the Denied Number List, but not with the Allowed Number List.
Allowed-Denied Number feature is not applicable in following cases:
•
Destination number string matches with any Access Code.
•
Destination number string matches with any Emergency Number.
•
For Call Forward Number programmed.
•
Route all Incoming Calls (with CLI) option selected is:
•
Fixed Destination Number
- or -
•
on basis of Calling Party Number.
To apply this feature,
•
you must configure the numbers you want to allow and restrict from being dialed out in the Allowed and
Denied Number Lists.
Matrix SARVAM UMG System Manual
480
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