esse ti slim analogue telephone keypad on handset 5te 018Esse ti SLIM Analogue Telephone (5TE 018) for Lift Machine Rooms The Esse ti SLIM (5TE 018) is a compact analogue telephone with the keypad on the handset, ideal for lift machine rooms, control rooms and offices. Its slim, ergonomic design fits even the smallest spaces. Key features Analogue (PSTN) telephone, keypad on the handset, no display DTMF dialling with 100 ms flash key Last number redial and microphone mute Adjustable ringer volume high low