· Cannot use a Softphone, Desktop App or Mobile App
· No mailbox – after 20 second default timer expires (unanswered) callers hear the default unavailable greeting: "I'm sorry. No one is available to take your call. Thank you for calling. Goodbye!"
· No Call Handling programming section
· Cannot Forward to other users and/or groups or unconditionally
· No Ringtones – callers hear MOH music for 20 seconds
· Cannot be added to other user’s Favorites
· Cannot Page from a Limited Extension – but can be in Page Group
· Cannot Intercom to or from a Limited Extension
· Cannot receive or send e-faxes
· No presence capabilities
· Cannot be in Park Groups
· Cannot Automatically Record calls
· Cannot “swap” Limited Extension device (since they don’t appear in Phones & Devices)
· Cannot be used for traditional fax machines.