Technical information

Security Goals Tables
Issue 7 June 2001
3-11
Suppress dial
tone after barrier
code entered
Suppress
Remote Access
Dial Tone — (G1,
G3 and System
75 R1V3 require
the concurrent
use of
Authorization
codes)
Turn off dial tone
(See Remote
Access form)
Prevent
unauthorized
outgoing calls
Limit calling area AAR/ARS
Analysis
Set FRL
Set COR
Digit Conversion
(G1, G2, G3, and
System 85 only)
Administer digit
conversion
Toll Analysis (G1,
G3, and System
75 only)
Identify toll areas
to be restricted
FRLs Limit access to
AAR/ARS route
patterns by
setting to lowest
possible value
Prevent
unauthorized
outgoing calls
(continued)
Restrict phones
from making
outbound calls
Attendant-
Controlled
voice terminals
(G2 and System
85 only)
Place phones in
attendant-
controlled group
Limit outgoing
calls
FRLs Restrict tie trunk
usage
Deny access to
AAR/ARS/WCR
Authorization
codes
Set to maximum
length
Set FRL on COR
Table 3-1. Security Goals: DEFINITY ECS, DEFINITY Communications
Systems, System 75 and System 85 (Continued)
Security Goal Method Security Tool Steps
Continued on next page