The UK’s public switched telephone network (PSTN) will be fully decommissioned by BT and Openreach on January 31, 2027, forcing businesses to migrate to cloud-based alternatives or risk service interruption. Virtual landlines provide a flexible solution, allowing companies to retain recognizable business numbers while routing calls through apps, existing phones, or broader cloud systems. This transition addresses more than just connectivity—it also resolves operational challenges for scaling teams.
Virtual landlines eliminate the need for physical line installations when hiring new staff, enable hybrid workers to answer calls from any location, and automate call routing to the correct department without additional hardware. The cost difference between traditional landlines and virtual alternatives has diminished significantly, with providers like Virtual Landline offering local or national virtual numbers starting at £4.50 per month (including VAT). Their rolling 30-day contracts further reduce commitment risks, letting businesses adjust plans as needs evolve.
RingCentral’s Unified Communications Offer
For companies with 2 to 19 users, RingCentral delivers a unified communications platform through its Essentials plan, priced at £7.99 per user per month when billed annually. The system consolidates calling, messaging, video meetings, and fax into a single dashboard, with over 500 third-party app integrations, including Salesforce and Microsoft Teams. It also supports operations in more than 100 countries and offers a 99.999 per cent availability commitment for eligible services.
Clear Business Digital Voice focuses on seamless device switching, allowing users to transfer live calls between desk phones and mobile apps without interruption. Voicemail synchronization across devices reduces friction for hybrid teams. The provider also offers up to £300 in early termination fee credits from previous suppliers, easing the cost of switching for businesses tied to long-term contracts.
Vonage’s tiered pricing accommodates businesses at different growth stages. The Express plan begins at £10 per user per month (excluding VAT) and includes unlimited inbound calls, a desktop app, and over 30 calling features. Upgrading to Core adds unlimited outbound calling, CRM integrations and Microsoft Teams compatibility. Max costs £25 and adds a business mobile number through an eSIM, unlimited SMS and WhatsApp Business-ready capability. This modular structure lets companies scale incrementally as their needs expand. Vonage also offers World Numbers in more than 96 countries, while its managed global service covers 15 countries.
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Yay.com distinguishes itself with a live configurator, enabling businesses to assemble custom packages. Plans start with Core for smaller teams and extend to Premium for advanced features. Pricing varies by user count and selected options, but annual billing can reduce costs by up to 25%. The provider’s flexibility—supporting mobile, desktop, and browser calling—avoids long-term commitments, making it ideal for businesses requiring customization.
How PSTN Shutdown Impacts Businesses
The PSTN shutdown will particularly affect companies relying on traditional landlines. Virtual solutions ensure continuity when the old network is retired. For distributed teams, dynamic call routing could transform customer interactions by enabling real-time responses regardless of location.
Most providers now support number porting, allowing businesses to transfer existing numbers without service gaps. Virtual Landline, for example, enables companies to retain their current number while adding extensions through its Office system, starting at £6.95 per user per month. Features like auto-attendants, call queues, and time-based routing simplify handling growing call volumes without manual adjustments.
Virtual landlines also extend to specialized number types. London-specific numbers (e.g., 0207 or 0208) start at £12.50 per month, while 0800 freephone virtual numbers cost £11.95 monthly. These options maintain a local or toll-free presence without hardware or maintenance costs. Virtual Landline further supports this with landline eSIMs, priced at £12.95 per month for local/national numbers or £18.95 for London-based numbers, ensuring seamless call handling across devices.
Office System Tier Pricing Explained
Virtual Landline’s Office system scales with team size through three tiers. Office Lite starts at £6.95 per user per month (excluding VAT) and includes an auto-attendant, call queues, and time-based routing. Office Complete at £9.95 per user per month adds call recording and reporting, while the Call Centre tier at £14.95 per user per month supports high-volume operations with advanced analytics and queue management. These tools ensure businesses can manage increasing call volumes without manual reconfiguration, even as their workforce grows beyond 100 users.
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Vonage’s tiered structure caters to businesses at varying stages of growth. The Core plan, priced at £15 per user per month (excluding VAT), introduces unlimited outbound calls and CRM integrations. This flexibility allows companies to upgrade features as their needs change.
Comparative Pricing and Contract Terms
Virtual Landline requires a 30-day minimum contract for its virtual numbers and office system. RingCentral offers a monthly rate of £12.99 per user, alongside its annual price, and provides plans for 2–19 users. Clear Business does not list fixed rates; interested customers must request a tailored quote. Vonage’s entry tier begins at £10 per user each month, exclusive of VAT, with additional tiers available for larger deployments. bOnline charges £7 per user per month, with contract terms of 12 or 24 months, and its pricing excludes VAT.
RingCentral’s Standard, Premium and Ultimate tiers cost £14.99, £19.99 and £24.99 per user annually, or £18.99, £23.99 and £28.99 with monthly billing.
Yay.com categorises its offerings as Core, Standard and Premium, targeting small teams, growing groups and advanced users respectively, and offers up to a 25% discount for annual payments. Prices and product details were verified on 21 September 2026; introductory rates may omit number rental, hardware, international calls, premium features and installation. Prospective buyers should model their configuration in each provider’s live tool to obtain a comparable monthly total.
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