This phone i got from ameritech in the 90's. it has caller id,speaker phone on both handset and base, call announce. but does not display on base. only handset, but you can program from the base . Looking for the manual? I believe it did say model 1933?Phone is black and handset light up display.Base also holds a battery? Say's use only 80-4314-00-00 Can you please help me find a Manual for this phone. Thankyou Kelly