--- title: "PSTN Switch Off — Prepare Your Business | Integra Networks" description: "The PSTN switch-off is here. Future-proof your business by transitioning to VoIP and modern connectivity. Integra Networks guides you through every step." lang: en json-ld: | [ { "@context": "https://schema.org", "@type": "Organization", "name": "Integra Networks", "url": "https://www.integra-networks.co.uk", "logo": "https://www.integra-networks.co.uk/favicon.png", "description": "Business-grade connectivity solutions for UK businesses. SD-WAN, Starlink, leased lines, 4G/5G bonding, and managed Wi-Fi — installed in 10 working days.", "address": { "@type": "PostalAddress", "addressCountry": "GB" }, "sameAs": [ "https://www.linkedin.com/company/integra-networks" ], "contactPoint": { "@type": "ContactPoint", "contactType": "sales", "url": "https://www.integra-networks.co.uk/contact" } }, { "@context": "https://schema.org", "@type": "WebSite", "name": "Integra Networks", "url": "https://www.integra-networks.co.uk" } ] --- [![Integra Networks](/assets/integra-logo-C3q8Ehve.svg)](/) Services Sectors [Insights](/insights)[Customers](/customers)[Contact](/contact) [Availability Checker](/check) ![PSTN switch off preparation](/assets/managed-sim-hero-DjhK7hxo.webp) Resources PSTN Switch Off # Prepare for the PSTN Switch-Off: Embrace VoIP Today The largest communication shift in decades is here as BT Openreach decommissions the Public Switched Telephone Network. This impacts traditional landlines, ISDN, ADSL, and all copper-dependent services. [Get Your Assessment](/contact) Should I Be Concerned? ## Implications of the PSTN Switch-Off The switch-off will impact your network infrastructure and may require significant changes. We're here to guide you through every step. ### Addressing Connectivity Challenges If you're using a copper ADSL line for services like voice, internet, lift services, or CCTV, you'll need to transition. We offer SD-WAN, Managed SIM, and GPON solutions tailored to your current and future needs. [Integra SD-WAN](/) ### Lift Line Solutions The digital shift affects all fixed-line technologies, including lift auto-diallers. With the PSTN network ending, it's time to upgrade to VoIP lines and GSM units. [Managed SIM Services](/managed-sim-services) ### Door Entry & CCTV Considerations For critical applications like door entry and CCTV, it's crucial to plan ahead to avoid service disruptions during the migration. ### Transitioning from PSTN / ISDN2 If your voice services are running on PSTN ISDN2, it's time to consider alternatives. We can help you transition smoothly to modern, reliable, and efficient communication solutions. [Unified Communications](/unified-communications) Why Integra? ## Your Partner in PSTN Switch-Off Solutions We manage all aspects of your transition. Our experience delivering managed connectivity to businesses, especially in rural locations, makes us uniquely qualified to handle your network migration. ### Connectivity Versatility From fibre Leased Lines to 4G, 5G, FTTP, Microwave, and Satellite Connectivity, we offer a range of solutions. ### Network Migration Specialists We're experts in upgrading network infrastructure, ensuring a seamless transition for our customers. ### Fast Deployment We control all aspects of the process, enabling us to deliver solutions quickly, even in emergencies. Our Solutions ## Modern alternatives for every PSTN use case ### Integra SD-WAN When traditional connectivity options aren't available, our SD-WAN solution revolutionises connectivity for businesses, especially in rural locations, without the need for fibre. [Learn more](/) ### VoIP Solutions Our PSTN/ISDN2 replacement solution allows businesses to upgrade their existing system without overhauling their entire cabling network. Quick to deploy and easy to configure. [Learn more](/unified-communications) ### Managed SIM Services Our Managed SIM service provides superior connectivity, compliance, and reporting, offering significant cost savings compared to traditional analogue landlines. [Learn more](/managed-sim-services) FAQs ## ISDN Switch Off — Frequently Asked Questions ### What is the PSTN switch-off? ### What are the key dates for the PSTN switch-off? ### What is VoIP? ### What about special services like security alarms and payment terminals? ### What do businesses need to do now? ### What are the main technologies available? ### What are the benefits of VoIP from a continuity standpoint? ## Ready to transition from PSTN? Contact us for an assessment and we'll guide you through the necessary steps to ensure a smooth transition. [Get Your Assessment](/contact)[Managed SIM Services](/managed-sim-services) Related Solutions ## Explore what else we can do for you. Find the right connectivity for your business. [ ### Unified Communications Modern VoIP solutions to replace traditional phone lines. Learn More ](/unified-communications) [ ### Leased Lines Dedicated fibre connectivity with business-grade SLA. Learn More ](/leased-lines) [ ### Integra SD-WAN Alternative broadband for areas without fibre availability. Learn More ](/integra-sd-wan) [ ### Pricing Transparent pricing for all our PSTN replacement solutions. Learn More ](/pricing) ## Let's see what we can do for you Business connectivity in 10 working days — wherever fibre can't reach. [Let's talk](/contact) [![Integra Networks](/assets/integra-logo-white--jcfSj7m.png)](/) Integra Networks — business connectivity, no fibre needed. #### Connectivity - [Integra SD-WAN](/integra-sd-wan) - [Integra Bridge](/integra-bridge) - [Starlink Installation](/starlink-installation) - [Managed SIM Services](/managed-sim-services) - [Pricing](/pricing) #### Standard Connectivity - [Leased Lines](/leased-lines) - [Managed Internet](/managed-internet) - [SoGEA Broadband](/sogea) - [4G/5G Backup](/cellular-backup) - [Business Mobiles](/business-mobiles) #### Solutions - [Business Wi-Fi](/business-wifi) - [Unified Communications](/unified-communications) - [Managed Firewall](/managed-firewall) - [Business Continuity](/business-continuity) #### Infrastructure - [CCTV](/cctv) - [Wireless Distribution](/wireless-distribution) - [Network Infrastructure](/network-infrastructure) #### Company - [Customer Stories](/customers) - [Wholesale](/wholesale) - [Contact](/contact) - [Support](/support) #### Resources - [Availability Checker](/check) #### Talk to Us [connect@integra-networks.co.uk](mailto:connect@integra-networks.co.uk)[0203 388 7111](tel:02033887111) [](https://www.instagram.com/integra_networks)[](https://www.facebook.com/IntegraNetworksUK) 86–90 Paul Street London, EC2A 4NE ICO registered UK GDPR compliant © 2026 Integra Networks Limited. 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