Future-proof your Lift Phones with a 4G-IoT Landline Alternative

ControlFreq provides universally-compatible digital audio communication and monitoring solutions for upgrading lift phone systems from analogue PSTN lines to a fully-compliant digital 4G-VoLTE alternative.

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Remote alarm monitoring for fire, security & faults

ControlFreq delivers instant visibility and real-time communications for reliable fire & security panel monitoring.

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Secure car park access & remote management

ControlFreq offers API-managed access control for secure car park management of pre-book, contract or on-demand bookings.

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Reliable communication, monitoring & control for mission-critical applications

We understand the challenges of upgrading outdated technology. Our IoT communications upgrade empowers existing systems for uninterrupted, zero-downtime operations. Gain global visibility, remote control, and real-time status of your remote assets and critical systems—anytime, anywhere.

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4G IoT Solutions

Remote Monitoring

Comprehensive monitoring solutions for fire, intruder, mains power, water leak, and critical machinery faults.
Critical Communications

Reliable voice communications for critical infrastructure such as emergency lift phones, help/info points and alarm systems.
Access Control

Cloud-managed access control for secure car parks and controlled commercial gated entry points requiring intercom and/or user access.
Multi-Network IoT SIM Cards

Managed IoT connectivity, incl. 4G-VoLTE voice on all 4 UK networks, in 190+ countries & 600+ networks ensuring full redundancy, globally.

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ControlFreq has been instrumental in helping us unlock the revenue potential of parking spaces large and small across the UK. It's been a pleasure to work with them for so many years.

Anthony Eskinazi

Founder & CEO, JustPark

Industry highlights

JustPark transforms pre-book with smarter access

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PSTN Landline replacement solutions

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BT Redcare closure postponed: New deadline announced

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NHS solves PIN code sharing in staff car park with ControlFreq access control

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How Car Giant eliminated false fire alarms & enhanced safety with ControlFreq WebAlarm™

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Morrisons improves customer experience with taxi freephone solution

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Apcoa Parking leverages ControlFreq for API-managed access control

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Enhancing operational efficiency for ERSOU with our remote monitoring solution

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