Purpose
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This document provides instructions on using the Self-service interface to:

* View basic telephone information such as phone numbers and lines.
* Add, edit or delete personal phones.
* Manage aspects of a phone's lines such as line label, management of missed
  calls, visual and audible message waiting indicator (MWI) setting, and ring
  settings.
* Configure telephone services such as Voicemail, Do Not Disturb, Call
  Forwarding and Speed Dial.