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Click on Extensions --> add new extension
Fill in all the required information for this extension. We suggest using your server number and mailbox number as the web username. Example: 0000_7777 if your server number is 0000 and your mailbox number is 7777.
In the Phones / Devices pull down menu select Voicemail-only Extension or Virtual Extension (always choose voicemail-only if it is available, the two options present differntly differently based on your software version).
Be sure that Voicemail Enabled remains set to "yes" and that you specify your desired voicemail password (pass code).
Click the Add Extension button.
To record the greetings for this new extension/mailbox dial extension 8500 from any phone on your PBXtra . Enter the mailbox number and password when prompted. You can enter "#" at the end of each to speed up the login process. Press the "0" option and follow the prompts to record the "Unavailable" message.
For more information on using the Voicemail system, please read Voicemail System Options