Sony IT-ID20 - corded phone with caller ID/call waiting

Model No. IT-ID20 Caller ID with Call Waiting* 50-number directory 20-number Caller ID memory 3-line backlit LCD display Memory Match ringing New call indication Visual message-waiting indicator Clock with date and time display Multi-language (English/Spanish) 3-number 1-touch dialing Key lock mode Optional battery operation (requires four AA batteries) *This feature requires subscription to the Caller ID service from your local phone company. This service may not be available in all areas.