Sharp AQUOS Crystal - Manual (Page 128)

Phone App 119
n
Unlock the screen (if necessary) and slide to the right. (This puts the first caller on hold and
answers the second call.)
To switch back to the first caller:
n
Touch .
l
Touch to switch between callers.
Note: For those calls where you don’t want to be interrupted, you can temporarily disable Call
Waiting by pressing before placing your call. Call Waiting is automatically
reactivated once you end the call.