Account Code Entry
Personal Lines
Alarm
Direct Line Console
Primary Rate Interface and T1
Automatic Maintenance Busy
Display
Recall/Timed Flash
Automatic Route Selection
Forward and Follow Me
Service Observing
Callback
Group Calling
Speed Dial
Caller ID
HotLine
SMDR
Calling Restrictions
Line Request
System Renumbering
Coverage
Music-On-Hold
Tandem Switching
CTI Link
UDP Features