Avaya 18d Mode D'Emploi

This System Programming procedure identifies the types of outgoing calls that
can be made on all lines at an extension. See “Dialing Restrictions and
Permissions” in Chapter 2 for a summary of calling restrictions.

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You can program a button on the system phone at extension 10 to be used
to quickly change an extension’s Outgoing Call Restriction setting. See
Outgoing Call Restriction Button (#114) for information.

To override this feature, users can dial Marked System Speed Dial
Numbers and numbers from an Allowed Phone Number List (#407) or the
Emergency Phone  Number List (#406). Also, if a System Password
(#403) is defined, system phone users can enter it to override restrictions
(the password cannot be entered from an MLC-6 or standard phone).

You can use Line Access Restriction (#302) to restrict extensions from
making or receiving calls on specific lines and Disallowed Phone Number
Lists (#404) to specify telephone numbers that users cannot dial.

If you program an extension for Forced Account Code Entry (#307), the
user at that extension must enter an Account Code before accessing an
outside line. (This feature is not available on standard phones.)

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While procedures that restrict dialing are very effective, absolute protection
against misuse cannot be guaranteed. System phones give you more
protection against such misuse than standard phones. Therefore, we
strongly recommend that you install system phones where restricting phone
use is important.

If the system is connected to a PBX or Centrex system and a dial-out code
(usually 9) is needed to place calls outside the PBX or Centrex system, the
control unit may not be able to prevent calls for extensions restricted to
Local Only. If dialing restrictions are needed on Centrex lines, use Centrex
restrictions instead.

1 = No Restriction (can make toll, local, and intercom calls)  

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2 = Inside (intercom) Only
3 = Local (intercom and local) Only

Outgoing Call Restriction (#401)