Instruction manual

Security measures
Issue 9 May 2003
5-31
■ Use PROC286 WORD1 FIELD16 to send calls to an intercept tone, a CAS
attendant, or a local attendant when the caller does not enter a code.
■ Use PROC289, Programmable Intercept Treatment, to transfer calls to an
attendant when the caller enters an invalid trunk access code, feature
access code, or extension.
■ Turn on CDR for incoming calls by entering PROC275 WORD1 FIELD14.
Also turn on CDR for the remote access trunk group using
PROC101
WORD1 FIELD8
. See ‘‘Call detail recording/station message detail
recording’’ on page 5-53 for more information on CDR.
Fully restrict service
Fully restricted service is assigned to a COR that prevents assigned stations from
having access to either incoming or outgoing public network calls. Stations have
access to internal calls only. In addition, fully restricted station users cannot use
authorization codes to deactivate this feature.
Any calls from the public network to a station with fully restricted service are
redirected to intercept treatment or to the attendant. If the call is redirected to the
attendant, the attendant’s display indicates the call is being redirected because of
fully restricted service. The reason-code displayed is FULL.
When the call is redirected to the attendant, the following may be appropriate
actions:
■ The attendant connected with a CO may call or intrude on the called station
user.
■ The attendant cannot extend, conference, or bridge the redirected call.
■ The attendant can place a CO call on hold and call the station with fully
restricted service for consultation.
Provide individualized calling privileges
using FRLs
FRLs are used to allow or deny calls when AAR/ARS/WCR route patterns are
accessed. An originating FRL assigned to a station or tie-line trunk group must be
equal to or greater than the terminating route pattern FRL for the call to be
completed. A COR or COS assigned an FRL of 7 is allowed to complete a call on
any route pattern. A COR or COS assigned an FRL of 2 can only access route
patterns assigned an FRL of 0, 1, 2, or 3. A low FRL should be assigned to analog
stations used for voice mail, remote access barrier codes, VDNs, and tie-lines
from other systems. Refer to Table 5-3
for a list of suggested FRL values.
NOTE:
If dial access is allowed for a trunk group, the caller can bypass the FRL
restrictions and directly access the trunk group.