Intercom Communications (UK) Ltd
Zenitel Channel Partner
+44 (0)1638 660 629

Heavy Duty IP Telephones

Heavy Duty IP Telephones

“The STENTOFON Heavy Duty IP Telephones are made for industrial environments that need an intercom telephone which can withstand rough usage and treatment. The telephone is well suited for heavy duty usage due to the thick aluminium casing, stainless steel materials, and very high ingress protection (IP-67)”

for use with AlphaCom & Pulse IP systems


  • Four variants of: Full keyboard and hotline (no keyboard)
  • With or without door
  • Critical communication in rough environments
  • Extremely water and dust resistant (IP67)
  • 5 mm aluminum casing and stainless steel components
  • Magnetic reed hook-switch minimal wear and tear
  • VoIP with SIP and STENTOFON CCoIP with AlphaCom XE
  • Option for GSM cellular connectivity
  • local power and Power over Ethernet (PoE)
  • Advanced supervision functions


Heavy Duty IP Telephones Description

The intercom station provides high quality conversations, using HD Voice and STENTOFON’s superb audio technology such as active noise filtering, echo cancellation, wide band audio codec and high power audio outputs.

The intercom telephone has an integrated managed data switch providing advanced networking and security features.

The integrated switch provides support for:

  • Protection from unwanted access
  • Quality of Service (QoS) by managing data traffic
  • Increased system availability by redundant LAN infrastructure
  • Cost-efficient installation by providing shared network connections through the integrated data switch



Dimensions (WxHxD)205 x 320 x 120 mm (D = 148 mm with door)
Weight5.0 - 5.4 kg
Protection classIP-67
Construction5 mm aluminum casing and stainless steel components
MountingWall mounted
Temperature range-20°C to +50°C
Humidity range (non-condensing)10% – 85% RH
Frequency range200 – 7000 Hz
Remote control
Max switching capacity
Max voltage relay
Max current relay
3 digital inputs, 1 relay,
30W DC,
60V DC,
SIP supportRFC 3261, SIP Info (DTMF)R, FC 2833 (DTMF)
IP protocolsIP v4 - TCP - UDP - HTTPS - TFTP - RTP - RTCP - DHCP -
LAN protocolsPower over EtherneItE E( E 802.3 a-f), VLAN (IEEE 802.1pq)*,
Network AccessC ontrol I(EEE 802.1x)*, STP (IEEE 802.1d),
RSTP (IEEE 802.1d-2004)
Audio technologyHD Voice 200 Hz – 7 kHz (G.722),
Telephony 3.4 kHz (G.711),
Active noise ltering,
Echo cancellation,
Open duplex,
Adaptive jitter lter,
1.5 Watt audio output
PowerPower over EtherneItE E( E 802.3 a-f), Class 0,
Local power 19 – 27V DC,
Idle 2.5W, max. 4.5W
Management and operationHTTPS (Web conguration),
DHCP and staticI P,
TFTP (rmware and conguration download),
SNMP (monitoring)
ComplianceCE and FCC Part 15

Heavy Duty Telephone Range

Intercom Station Range



Here at RingUK we have a considered approach to Specifying Intercom Systems, based on methodically detailing every aspect of each client’s needs. It is then and only then that we are accurately able to design an intercom system that fulfills the exact specifications of the client.

Over the years Specifying Intercom Systems this exacting approach has enabled us to develop a solid aggregate understanding of each sector whose intercom requirements we deal with. In drawing upon this we are able to quickly develop a blueprint that we then tailor to the specifics of each client’s brief. The efficacy of this procedure means we are very rarely unable to overcome unforeseen problems – if ever.

You cannot buy experience, and it’s our experience in Specifying Intercom Systems that makes us great at adapting and thinking laterally to devise the best intercom solution for our clients. This often means taking a standard intercom system and integrating it with specialized design features to create a setup that is equal in its uniqueness to the exacting needs of the client.

This is all part of an overall standard of service that we feel is unavailable elsewhere within our industry. We place a premium on total customer satisfaction, which is why we are always looking to extend and improve our product range, and to maximize value. Our position within the industry in terms of our size, reputation and our relationship with suppliers means we are able to cut costs without cutting corners.

With many years of experience in the broadcast and communications industry, RingUK have built  up an impressive portfolio of products and knowledge from leading  manufacturers.

Distributor, Partner & Resellers For:

RingUK specialises in assisting buyers, specifiers and end-users in the process of recommending and purchasing specialist communications equipment for various commercial applications including:


Our specialist communications advice team has over 25 years of experience, specifying and commissioning communications systems that meet the objectives of our clients. Our service centres on enabling our clients with the information necessary to make an informed decision when investing in suitable communications equipment.

For more information

    Contact intercom specialists Ring UK today for professional advice about which system you should go for. We will assess your requirements and research and explain all the options available to you to help you or your client choose a perfect Intercom system that meets your needs.

Contact us via our Intercom Enquiry Form


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