InsightsBlogPractical thinking on enterprise Microsoft Teams Voice, the PSTN switch-off and everything in between.Strategy7 min readThe hidden costs of keeping legacy phone systems beyond 2026Delaying PBX replacement feels sensible when budgets are tight — but the true cost of legacy telephony is rising quietly. Why the tipping point arrives faster than expected, and how a phased migration roadmap avoids a forced move.17 July 2026Read article →Industry6 min readThe UK PSTN switch-off: what it means for your phone systemThe UK's analogue phone network is being retired. What the PSTN switch-off means for organisations still running ISDN lines and legacy PBX systems, and how to plan a move to Microsoft Teams Voice.2 June 2026Read article →Technical7 min readPreparing your network for Microsoft Teams VoiceCall quality in Teams Voice is decided by your network. The practical checks — bandwidth, QoS, firewall configuration and Wi-Fi — to complete before you migrate telephony to Teams.12 May 2026Read article →Strategy6 min readBuilding the business case for retiring your legacy PBXHow to frame the financial and operational case for moving from an on-premises PBX to Microsoft Teams Voice — the cost categories that matter and the risks of doing nothing.21 April 2026Read article →Technical6 min readSecurity and compliance in Microsoft Teams VoiceHow calling in Microsoft Teams handles encryption, call recording, data residency and emergency calling — the questions security and compliance teams ask before approving a migration.30 March 2026Read article →