Atex Global

Contact Sales

please contact our sales team for info, prices and availablity.
+44 (0)800 7565305
Office hours 8am - 8pm, mon - fri

Weatherproof Telephones, Industrial Telephone

Acoustic HoodAcoustic Telephone Hoods

Telephone Booths


Contact Sales

+44 (0)800 7565305

Auteldac 4 - Atex Certified Telephone

VOIP Telephone for use in Atex areas with explosive atmospheres - Zone 2

  • IECEx/ATEX Zone 1 VoIP telephone
  • II 2GD & II 2G ATEX Certified variants
  • for Gas and Dust, IEC Ex certified
  • Zone 1 & 2, Zone 21 & 22 Compliant models
  • INMETRO Approved for Gas
  • Power over Ethernet (spare pair only)
  • VoIP SIP Protocol (RFC3261)
  • Web Page configuration
  • Real time alarm reporting via e-mail
  • Full keypad with 3 programmable memory buttons, or CB variant
  • Operating Temperature -20°C to +50°C
  • Adjustable Sounder
  • Configurable relay output
  • Robust and weather resistant (IP66 with curly cord, IP54 with steel cord)
  • Industry standard robust handset with curly cord or armoured stainless steel
  • Headset option*
  • CE Compliant
Auteldac 4

II 2 G EEx e m ib IIC T5

The VoIP Auteldac 4 (A4) is the world's first ATEX and IECEx Zone 1 & Zone 21 approved IP telephone. Providing simple network connection without the need for analogue convertors, extending VoIP access to arduous industrial atmospheres and environmental extremes.

With only one voice and data infrastructure to install and maintain, VoIP telephony saves time, money and call costs.

Certified for safe operation in hazardous areas, the VoIP A4 body is made from carbon loaded glass filled polyester. The elimination of moving parts ensures a high level of reliability in industrial and hazardous environments and enables ingress protection up to IP66.

The VoIP A4 telephone has a configurable relay output fitted as standard, which may be used for ring strobe activation or local speaker mute. An inductive coupler is fitted to aid the hard of hearing. For hands-free telephone use, the Auteldac 4 has the option of an ATEX approved headset


The VoIP A4 is offered with a choice of armoured stainless steel or curly handset cords.

18 button Full Keypad
Included in the 18 button version, are 3 direct dial buttons for fast one touch dialling of pre-stored numbers. Includes::M1- M3 Memory buttons, plus S 'Store', R 'Recall', LR 'Last number redial'

0 button
This can be used to initiate a 'hotline'. Autodial on handset lift also available.

Easy configuration:
password protected intuitive web pages held within the telephone can be accessed using a browser such as Internet Explorer to view, monitor and change settings within the telephone.

24/7 Availability:
telephones with memory buttons have an automatic call divert facility so that if a number or URI is not available then up to 20 alternatives can be dialled automatically