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A Disallowed List takes precedence over an Allowed List. If a telephone number is on both an Allowed List and a Disallowed List assigned to an individual extension, the caller cannot complete a call to that number.
If a zero (0) is programmed as the first digit of an Allowed List entry, any Toll Restriction assigned to an extension is removed for calls placed through a toll operator.
Individual Allowed and Disallowed Lists are numbered 0 through 7. Within each list, there are 10 entries, numbered 0 through 9.
The Pause character (entered by pressing the Hold button) can be used as a wild card character in Disallowed Lists -- for example, to indicate that calls to a given exchange are restricted in every area code. In Release 1.5 or later MERLIN MAGIX systems, you also can use one-to-one wild card character matching in Allowed List entries. The Pause character is shown on the planning form as "p." The Pause character does not act as a wild card for the * character.
In Release 1.0 systems, wild card characters are not permitted in Allowed List entries.
When used in conjunction with Remote Access, Allowed and Disallowed Lists are assigned to specific barrier codes or to types of lines/trunks: all tie/DID trunks, or all non-tie/DID trunks. Allowed and Disallowed Lists cannot be assigned to trunks on an individual basis.
When used with Automatic Route Selection (ARS), Allowed and Disallowed Lists are not applied until the caller dials the ARS code and a pool is selected.
Because restrictions imposed by a Disallowed List apply to the extension used to initiate a call to an outside number, a user with a restricted extension can circumvent restrictions by asking an operator with an unrestricted console to connect an outside call.
