The following feature matrix is to illustrate the different features offered by the Cisco Unified Communications System for calls and features.
Call Forwarding
Single Number Reach
Webex (formerly Webex Teams)
Answer your extension remotely
X
X
X
Answer a Hunt Group Call

X
Log in and out of a Hunt Group

X
Use your ATU Voicemail
X
X
Look up and playback voicemail

X
Can be scheduled
X
Remotely activated/deactivated
X1
X2
X3
Persistent chat across all devices

X
Communicate with users outside of ATU

X
Make a call that looks like it comes from your extension

X
Control your desk phone

X
Integrates with Office 365 calendar

X
Presence indicators (away, busy, etc) and statuses

X
Used with a smartphone
X
X
Used on laptops, desktops, and tablets

X


1 Requires a VPN connection 

2 Can be controlled remotely without the VPN if also using Webex

3 Logging out of and/or exiting the Webex client will essentially deactivate it