Replace PSTN Lift Lines with Digital Communications & Monitoring Now

Universally-compatible digital audio communication and monitoring solutions for upgrading existing lift phone systems from analogue landlines to digital 4G-VolTE. Fully compliant, cloud-monitored and managed remotely in real-time. Upgrade with ControlFreq today for a managed hassle-free resolution to the BT landline shut down.

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Remote alarm monitoring for fire, security and faults.

Reliable fire & security panel monitoring after the PSTN shutdown. ControlFreq delivers instant visbility and real-time communications by SMS, voice-call, email, push message, ARC and WebAlarm™

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Secure Car Park Access & Remote Management

ControlFreq access control and car park management systems enable the car park owner or operator take complete control of car park entry for pre-book, contract or on-demand bookings. With secure access linked to bookings the car park remains secure and under control at all times.

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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We understand the challenges of upgrading outdated technology.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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Universally-compatible 4G-IoT Solutions for…

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.

1 / 1

By partnering with ControlFreq, we gained instant, scalable connectivity that drastically reduces operational complexity when deploying, enhances security, and optimises costs.

Jonas Becker

EFB Administrator, Discover Airlines

ControlFreq transformed our monitoring process, providing real-time alerts and ultimate peace of mind.

Sarah Williams

Operations Manager, SecureTech

Featured Products

  Key features:
  
      Multi-network redundant 4G-VoLTE connectivity
    
     WebAlarm Cloud real-time monitoring
    
      Compatible with all existing lift phone auto-diallers
    
      Zero operational downtime during transition

Seamless & rapid PSTN landline upgrades

Our universally-compatible 4G-VoLTE based communication hardware provides a seamless replacement for traditional BT phone lines in emergency lift phones and critical communication systems.

Universal compatibility
4G-VoLTE audio technology
Multi-network connectivity
Global visibility
Monitored attery backup
Mains fail alerts
Event logged test reports

Automatic multi-network connectivity

Arrange a Demo Digital Lift Upgrades

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