The nationwide transition to digital networks, led by Openreach, is well under way, with full migration expected to be completed by 2027, a 13-month extension from the original deadline. The PSTN switch-off means traditional analogue phone lines – including those used in lift emergency communication systems, will no longer function. Lifts relying on PSTN for emergency calls may thus be taken out of service unless upgraded to GSM (Global System for Mobile Communications) in time.
Stannah Lifts said: “Failing to update lift communication systems in advance of the switch from PSTN to GSM digital could result in safety risks and non-compliance, as lifts must have a working emergency phone system to comply with EN 81-28 regulations.”
Stannah Lifts describes GSM as ‘a cost-effective alternative to PSTN that requires no physical phone line’. It also incorporates a battery back-up to ensure continuous operation even during power outages. The company offers ‘a managed SIM service’ to customers looking to upgrade to GSM systems, which it claims ‘provides the best available network for strong signal coverage with 24/7 connectivity’. It also allows remote monitoring, ‘to ensure that any signal disruptions, battery back-up issues, or SIM data faults, are detected and resolved before creating any real issue’.
Stannah Lifts Service director, Dan White, said: “We want to ensure that all of our customers are prepared for this change, and that their lift communication systems remain fully operational. Some providers have already started phasing out PSTN lines ahead of the deadline, leaving some lifts without functioning emergency communication if they have not upgraded to GSM networks ahead of time. This creates great concern, as with no GSM line, the auto-diallers will fail to work, leaving passengers stranded in the event of an emergency.”
Stannah recommends all lift owners and building managers check if their lift emergency phone system relies on PSTN. If so, they should contact their telecom provider to confirm when their PSTN service will be switched off so they can ensure a plan is in pace to upgrade to a digital-compatible solution, ensuring continuous emergency connectivity.