K-36 series telephone is a full-featured and easy-to-use telephone with caller ID, programmable function setting keys, memory function, direct dial start function, three-row LCD display, ringing volume, headphone volume and hands-free volume adjustment, hands-free handset dialing, dialing intercom, 54 call number and call time recording, query, 16 outgoing number and call time recording, query, incoming, outgoing number query and can be directly dialed, can set external line code, automatically identify internal or external incoming calls, external call back automatically add external line code, can be used with different brands of exchange machine message indicator lamp and other features.