2.6.4 Speed Dialling—Personal/System
2.7.3 Extension Dial Lock
2.8.1 Automatic Route Selection (ARS)
5.1.1 Class of Service (COS)
5.1.4 Time Service
6.1 Capacity of System Resources
136 Feature Guide
2.7.1 Toll Restriction (TRS)/Call Barring (Barring)
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