...
Subscriber Defined Transfer (caller transfer-out feature): If you wish to allow callers to transfer to your cell or other phone, check this box and enter a number in the Subscriber's Transfer Number field. See belownext preference setting:
Subscriber's Transfer Number: If you selected the box above, enter the number to which callers will transfer themselves. For campus transfers, enter the 5-digit number; for off-campus transfers, enter a 9 followed by the phone number including area code. No spaces or punctuation are necessary. Then re-record your greeting with instructions to press 1 to be transferred.
...