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System Programming Options
2-11
IMPORTANT:
While procedures that restrict dialing are very effective, absolute protection
against misuse cannot be guaranteed. System phones provide more protection
than standard phones. Therefore, it is strongly recommended that you install
system phones where restricting phone use is important.
Locking an Extension
The system offers a Station Lock feature that lets users enter a four-digit code on
their telephone dialpad to lock their extensions. This helps prevent other users
from making outside calls at those extensions.
Restricting Access to Outside Lines or Pools
A user can access a line or pool either by lifting the handset, pressing the line or
pool button on the phone, or dialing the Direct Line Pickup feature code or a pool
access code. If you do not want a user to access a specific outside line or pool,
you can use Line Access Restriction (#302) or Pool Access Restriction (#315)
to control an extension’s access to a certain line or pool (whether the line or pool
is assigned to the extension or not). Table 2-1 provides examples of settings that
can be used to restrict an extension’s access to specific outside lines or pools.