Simultaneous Ring
Sequential, Hybrid or Smart Ring
Single voice mail box
Universal voice mail notification
Answer Acknowledgement
Making/receiving a call
Extension Dialing
Call termination
Call hold/retrieval
Multiple Call Appearance
Ad-hoc and bridge conference call
Direct inward/outward dialing
Post digit dialing
Flexible Dialing plans
Caller ID (name, number)
Auto Reconnect
Voice Prompting
Pull a call out of VM

Enterprise Dial tone
Callback
Device Switching
Call forwarding
Call transfer
Call hold
Call waiting
Call blocking
Call redial
Speed dial
Operator assisted dialing
Do No Disturb
DND Bypass List
DND Ignore List
Class of Service policies
Manage remote numbers
Scheduled Access
Least Cost Routing