To have the Auto Attendant answer the lines:
From the Answer Mode list box, select Auto-Attendant.
In the Table/Skillset Number list box, type the number of the Greeting Table you want to assign to the lines.
From the Number of rings list box, select the number of rings to wait before answering the lines.
Select 0 or 1 if you want the lines to be answered right away
or
select a higher number to let an available attendant answer, or to reduce connection charges.
NOTE: The number of rings ranges from zero to 12. If you choose zero rings, the caller might hear one ring. Zero rings means the call is answered as soon as possible.