Voicemail Forwarding is a new feature available to all customers with a BTconnect email address and BT 1571 (Not including mobiles).
-Log in to your btconnect.com account (http://www.btconnect.com/)
-Select "Your Account"
-Scroll down to "Other Products and Services"
-Click on "Manage BT Voicemail Forwarding"
-Select "Set up Voicemail forwarding"
Visit our FAQ for more information:
http://www.bt.com/business/help/1571voicemailforwarding