If the Auto-create User option is not enabled , you must manually create a user entry for each phone being installed. Use the procedure below to manually create an entry. It will also prompt whether a matching extension entry should also be created.
Using IP Office Manager, retrieve the configuration from the system.
To display the list of existing users, click User
Right-click on the right-hand panel and select New.
In the User tab set the following:
ADDITIONAL INFORMATION:
Name: Enter a name for the extension user. The name must be unique. If voicemail is in use, this name is used as the basis for a new mailbox with matching name.
Extension: This must match the extension number.
Click OK.
STEP RESULT:
IP Office Manager prompts to create a matching extension.
Select H.323 Extension and enter the phone password for the extension click OK.