Basic Package User Features
Caller ID
Allows a user to provide Calling Line ID presentation
Call Forwarding No Answer
Allows a user to forward calls to another phone number when the
user's phone goes unanswered. 
Quick Reference
Calling Name Retrieval
Allows the display of a PSTN-originated caller's name. Quick Reference
Call Transfer
Allows a user to transfer call to another phone
Call Waiting
Allows a user to receive an additional call while already in a
call. Quick Reference
Do Not Disturb
Allows a user to restrict all incoming phone calls. Quick Reference
Flash Call Hold
Allows a user to use a flash service for Call Hold. Quick Reference
Last Number Redial
Allows a user to access and dial the last dialed number using a
feature access code. Quick Reference
Three Way Call
Allows a user to use Three-Way Call conferencing.