Account Code Entry/Forced Account Code Entry
Directories
Saved Number Dial
Allowed/ Disallowed Lists
Display
Service Observing
Authorization Code
Forward and Follow Me
Speed Dial
Auto Dial
HotLine
SMDR
Automatic Maintenance Busy
Night Service
System Access/ Intercom Buttons
Callback
Pools
System Renumbering
Calling Restrictions
Primary Rate Interface and T1
Tandem Switching
Digital Data Calls
Recall/Timed Flash
Toll Type
Direct Station Selector