This process stays unchanged and can be done by logging into the IP Centrix portal through web-self care. 

• To get there select the customer you want to create the extensions for. 
• Click on personal, general info, and Web self-care. 
• You will see an icon next to the username that you can click on to log into the portal.
• This will then take you to the IP Centrix portal. Click on IP Centrix and select extensions.
• Next, click on the add extension button

• This will take you to the add extension window.
• Fill in the form with the following info
  • Extension number - 3 digit extension number i.e 100 or 201 etc.
  • Extension Name - This can be the person’s name
  • Assigned Phone Line - Choose the account ID created for this extension

• Once done click on Update. You will now see the new extension in your extension list.