I purchased this phone for my elderly father who has macular degeneration. I wanted him to be able to make calls in an emergency if my mother wasn't available to help him. I was pleased with the big buttons - numbers nice and clear, audio clear as well. But...as I began to program phone numbers into the memory, I discovered that to use the stored numbers to make a call, the caller must first press the memory button and then the assigned one digit number. Well, ..