Technical information

Contents
Issue 7 June 2001 v
 Tools that Restrict Unauthorized Outgoing Calls 4-12
Class of Restriction 4-13
Calling Party and Called Party Restrictions 4-14
COR-to-COR Restrictions/Calling Permissions 4-15
Restriction Override (3-way COR Check) 4-15
Class of Service 4-16
Facility Restriction Level (FRL) 4-17
Alternate Facility Restriction Levels 4-18
Toll Analysis (G3 only) 4-18
Free Call List 4-18
AAR/ARS Analysis 4-18
ARS Dial Tone 4-19
Station Restrictions 4-19
Recall Signaling (Switchhook Flash) 4-19
Attendant - Controlled Voice Terminals 4-19
Restrictions — Individual and Group-Controlled
(DEFINITY ECS, DEFINITY G1, G3, and
System 75) 4-20
Central Office Restrictions 4-20
Restricting Incoming Tie Trunks 4-21
Authorization Codes 4-21
Trunk-to-Trunk Transfer 4-21
Forced Entry of Account Code 4-22
World Class Routing (DEFINITY ECS and
DEFINITY G2.2 and G3 only) 4-23
Digit Conversion 4-23
Station Security Codes (SSCs) 4-24
Personal Station Access (PSA) 4-24
Security Tips 4-25
Extended User Administration of Redirected Calls 4-25
Remote User Administration of Call Coverage 4-26
 Security Measures 4-27
Require Passwords 4-27
Restrict Who Can Use Remote Access/Track
its Usage 4-28
Fully Restrict Service 4-30