To enable voicemail:

1. Log into the Customer Portal
2. From the menu, select SIP Subscribers
3. Next to the telephone number you would like to divert, click View
4. Click the Call Forwarding tab
5. Click the Voicemail button next to the forwarding category to enable.  You can enable multiple forwarding rules if required.
   – All Calls
   – Unavailable Calls (when your phone system is de-registered or powered off)
   – Busy (when all your lines are in use)
   – Timeout (when your phones are unanswered)

To disable voicemail:

1. Log into the Customer Portal
2. From the menu, select SIP Subscribers
3. Next to the telephone number you would like to divert, click View
4. Click the Call Forwarding tab
5. Click the button next to the phone icon.