Forwarding phone calls to another phone

on the phone:

Press the OPTIONS key on the phone
Select Call Forwarding
Change to ALWAYS = ON
Now you will be able to set Always Dest. (your phone number)

from the portal

log into https://portal.shoretelsky.com/

Click HOME and then look under the Settings column
for Phone Settings
Click the Call Routing tab
under Call Routing:
set Always to Forward the Call to: (your phone number)
Click the check mark to save.