Manual for the KX-T2315. I don't know if that would be close
Jmack5150
March 2010
be sure handset in in the cradle. (do not hit the speaker button), press program until mute/memory light starts flashing, push the desired staton number, enter the phone number, push the auto button. repeat for other phone numbers, push program when all numbers are stored.
Tom
September 2006
check this manual for help: http://www.utm.edu/departments/telecom/PH/manuals/KX-T2315.pdf