Young business professional smiling while using a headset and viewing a desktop monitor

VoIP Providers in the UK

Boost your business agility with our flexible, robust and cost-effective SIP trunking and VoIP technical support.

Let's talk

Digital Voice Telephony and hosted PBX Solutions

Moving your businesses’ telephony into the digital era will give you more freedom and flexibility, and will alleviate any issues that the PSTN (and ISDN) end of life could give you in 2025.

Best in class SIP Trunks

Cost-savings and multi-feature applications put you in control using SIP malicious software.

Enhanced Microsoft Teams experience

We can help manage your inbound and outbound voice and video calling seamlessly with our VoIP support unapproved network software.

Hosted PBX Solution

For businesses and contact centres that need a fully-featured switchboard with IVR, call queueing and routing options.

With nearly all businesses now considering a move to VoIP pending the PSTN switchoff in 2025, we're here to advise on the best solution for your business. Whether that's extending your Teams capability for external calling or implemented a fully functional VoIP switchboard, we've certified engineers to help scope and onboard your projects."

Head of Presales,
Wanstor

Benefits of Wanstor’s Telephony Services

Direct Routing for Microsoft Teams

Microsoft Teams is great for internal collaboration, but is limited around outbound calling and managing inbound switchboard numbers. As cloud telephony service providers, we are able to integrate Direct Routing for a Microsoft Teams solution, so your business will benefit from cost savings, increased functionality and also from Wanstor's full support during your migration.

Suitable for any business using Office 365 and Microsoft Teams
Reduce the number of ISDN connections and save up to 50% on line rentals
Use VoIP providers for free calls to UK fixed destinations and between sites
Keep your existing numbers
Never miss a call with full control of your inbound numbers
Enable business continuity scheduling
Easy management via an app and a web portal

Hosted PBX Solutions

As VoIP providers in the UK, we specialise in supplying, installing and maintaining modern, feature-rich telephone systems for businesses of all sizes, fully enabled with VoIP technical support. We use award-winning 3CX software-based IP PBX for Windows, scalable to suit your VoIP business requirements and incredibly cost-effective compared to traditional PBX systems.

Highly flexible system designed for mobility and unified communications
Enterprise-class features as standard
On-premise or hosted solution
Use your office extension anywhere giving true flexibility and mobility
Easily add or remove extensions with no per user license
Better customer service with advanced call queuing
Integrate your CRM and know who’s calling before the call gets answered
Advanced call centre reporting on agent performance, longest wait time and call abandonment

As hosted telephony providers in the UK, we can help you on a Voice to Cloud migration strategy.

Moving your businesses’ telephony into the digital era will give you more freedom and flexibility, and will alleviate any issues that the PSTN (and ISDN) end of life could give you in 2025.

Migrate your legacy ISDN lines to our SIP for greater flexibility, resilience and cost control to collaborate with voice and video effectively

Expand your Microsoft Teams environment to give you outbound and inbound calling visibility and management

For businesses and contact centres that need a fully-featured switchboard with IVR, call queueing and routing options

Why choose Wanstor for your VoIP Solutions?

Moving your businesses’ telephony into the digital era will give you more freedom and flexibility, and will alleviate any issues that the PSTN (and ISDN) end of life could give you in 2025.