1.9 Toll Restriction (TRS)/Call Barring (Barring) Features
146 Feature Guide
PT Programming Manual
[005] Extension Personal Identification Number (PIN)
Feature Guide References
1.17.6 Direct Inward System Access (DISA)
2.2.1 Class of Service (COS)
User Manual References
1.2.7 Calling without Restrictions
1.2.9 Setting Your Telephone from Another Extension or through DISA (Remote Setting)
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