TELEHANDSFREE KIT
Soho phone systems - Telephones

Electronic Board for Automatic handsfree telephone

Telehandsfree in Kit is the electronic board for built-in/retrofitting applications. Can be connected to max. 3 pushbuttons.
Connectable over the PSTN line, GSM line (by GSM 400 gateway) or as an extension of a PABX, is equipped with 2 relays for opening/closing connected devices and is suitable for diverse applications, such as platforms, elevators and lifts, OS columns, parking columns, help desk, taxi call-up, pharmacies. Telehandsfree 1 pushbutton is the perfect solution also for 24-hours helpdesks.
Extremely easy to use and to install (only 2 wires), is directly supplied by the telephone line, allows the DTMF remote programming and the remote adjustment of loudspeaker’s volume and microphone’ sensitivity.


Hardware and Software developed in-house at the Esse-ti R&D Department.
100% made in Italy.

Soho phone systems Telephones TELEHANDSFREE KIT

Caratteristiche Soho phone systems Telephones TELEHANDSFREE KIT

  • Connection options:
  • PSTN line: 2 wires
  • GSM network  (by additional GSM300 module): 2 wires
  • PABX extension:2 wires
  • Power supply: directly by telephone line
  • Communication mode: full duplex
  • Pushbuttons: up to 3
  • Relays: 2
  • Power supply relay input: 12 Vdc
  • Removable terminal blocks
  • Volume setting: remote programming
  • Programming: remotely via DTMF tones
  • Programmable telephone numbers: 3 (1 for each pushbutton)
  • Pushbutton delay: 0 to 9 seconds
  • Remote monitoring
  • Jumper for automatic answer disable
  • PCB dimensions (blocks included): 115 x 70 mm
  • Loudspeaker diameter: 56 mm
  • Microphone diameter: 10 mm
  • Height: 15 mm
  • Weight: 75 g