Telappliant

UK businesses · Deadline: 31 January 2027

PSTN readiness assessment

Check the lines, connected devices and continuity arrangements that could affect your business. Eight questions, immediate results, no contact details required.

Step 1 of 8

Which phone lines does your business use?

Select every legacy line type that applies. Include separate fax lines and lines at other sites.

No contact details required. Your answers stay in this page unless you choose to send a migration review request.

This is indicative planning guidance, not certification of safety, compatibility or legal compliance. Digital phone services may fail without power. Safety-critical devices require confirmation and testing by the relevant equipment vendor; an online score or analogue adapter cannot guarantee compatibility.

Back to the PSTN migration guide

Authoritative guidance