BenQ S700 - Manual (Page 54)

38 Using Your Phone
Speed Dialing
You can assign alphanumeric keys to as speed dial keys to
frequently dialed numbers. To do so, choose the menu: Phone book >
Speed Dial.
After you have assigned a number key to serve as the speed dial key for a
particular phone number, you can long-press this key when the phone
is in the standby mode to dial the corresponding phone number. For
example, if you have selected
as the speed dial key for a certain
phone number, long-pressing will dial this number.
has been locked as the speed dial key for dialing your voicemail
box number.