Control Room AV

Beyond the Dial Tone: Future-Proofing CCTV and Alarm Signalling Before the 2027 PSTN Cut-Off

The PSTN retirement is not just a telephone migration. For UK sites with legacy alarm panels and CCTV backhaul, it is a signalling resilience project. This trade guide sets out the audit, specification and cutover steps needed before the 2027 deadline.

Nov 8, 2026

Control-Room Geometry: Matching LED Pitch to Operator Distance and 24/7 Duty

Fine-pitch LED is not automatically the right answer for a UK control room. This 2026 procurement guide compares LCD and LED through viewing-distance maths, heat, redundancy, service access and a like-for-like matrix for trade buyers.

Nov 7, 2026