Telephony & VoIP

Computanet

Computanet Solutions provides business IT support services across Leeds, Hull and the Yorkshire region, as well as clients in select European countries and the USA. Established in 1995, the company holds Microsoft certified partner and VMware partner status and resells Microsoft Azure and Office 365. Services include managed IT services, network installation, cyber security specialism, IT project management and network support, alongside interactive technologies, cloud virtualisation, cloud backups and VoIP phone systems. Computanet is registered in Hessle and reports an average five-minute ticket response time.

Comtec Telecom & Data Ltd

Comtec Telecom & Data Ltd is a telecommunications company based in Merthyr Tydfil, established in 1992. It installs structured network cabling including copper and fibre optic cabling, supplies telephone systems with hosted and SIP solutions, and provides security systems such as CCTV installation and access control. The company also offers internet connectivity through broadband and leased lines, serving businesses across the UK.

Connect 4 Voice & Data Ltd

Connect 4 Voice & Data Ltd is a Leicester-based telecommunications provider serving businesses throughout the UK. The company supplies and supports office telephone systems, specialising in 3CX, NEC Infrontia and Samsung, alongside hosted voice solutions for remote and multi-site working. Services also include data connectivity, lines and calls, MPLS, Cat 5e/6 and fibre optic cabling, business mobiles and tablets, call management, managed services, and AHD and IP CCTV installation and maintenance.

Connected Communications Ltd

Connected Communications Ltd is a Manchester-based business telecoms provider offering hosted phone systems with call recording and call diverts, superfast broadband, leased lines and FTTP connections, tailored business mobile contracts, bulk SMS messaging, and a 24/7 virtual receptionist call-handling service. It also supplies contact centre solutions and bespoke tariffs, helping businesses communicate and collaborate effectively.

Connection Technologies

Connection Technologies — 30 years helping 3,000+ UK businesses with business mobiles, hosted VoIP, broadband and IT managed services. All networks compared.

Connection Worx Group Ltd

Preston-based Connection Worx Group helps organisations stay connected, secure and resilient. The company reviews, optimises and modernises business connectivity, including PSTN switch-off planning, leased lines, voice and cloud telephony, broadband, dedicated internet, WAN and multi-site networks, and mobile data SIMs. Alongside telecoms, it provides cyber security support such as Cyber Essentials readiness, plus digital enablement, AI and automation, strategic consultancy and business energy services.

Connesso Business Telecoms

Connesso Business Telecoms supplies VoIP-based phone systems and payment solutions to SMEs in Milton Keynes and surrounding areas. Services include virtual landlines, hosted cloud telephony with features such as auto attendant, call queues and number porting, plus EPOS and card payment processing and eCommerce support. The company offers a free review of existing business landlines, mobiles or payment arrangements.

Connex Carrier Services Worldwide LTD

Connex Carrier Services (ConnexCS) provides cloud-based VoIP switching and telephony infrastructure, including a Class 4 SIP cloud switch, multi-tenant Class 5 PBX, anycast SIP load balancers and a SIP-to-WebRTC gateway. The platform adds STIR/SHAKEN caller ID authentication, automated billing and reporting, call recording, transcription and an AI agent for call centre automation, serving carriers, enterprises, call centres and UCaaS providers from globally redundant servers.

Contact Radio Communications Ltd

Two-way radio hire and sales specialist in Newport, South Wales, with over 30 years' trading. Supplies short and long-term hire of digital, analogue, licence-free, ATEX, marine and push-to-talk over cellular radios, plus body worn cameras and headsets, from brands including Motorola, Hytera, Icom and Kenwood. Offers coverage advice, free trials, licence applications and equipment serviced by in-house technicians for events, construction, healthcare and other sectors.

Convergence Communications

VoIP & business telephone systems, mobiles & IT services from one of East Anglia’s top telecoms providers. Covering Cambridge, Ipswich, Norwich & more

Converj Solutions

Converj Solutions is a Bolton-based technology provider serving businesses throughout the UK. It supplies cloud telephony and contact centre platforms, SIP trunking, voice for Microsoft Teams, conversational IVR and call transcription, plus broadband, fibre leased lines, 4/5G and Starlink installation. Additional services cover CCTV monitoring with ANPR and facial recognition, structured cabling, routers, switches and professional Wi-Fi. Clients include family businesses, PLCs and fast-growing companies.

Corporate Telecom Ltd

Corporate Telecom has served the Northern Ireland business community since 2004 delivering a high quality service on Business Mobile contracts, BT Cloud / VoIP solutions, Fibre Broadband, landlines (ISDN/PSTN) and Dedicated Leased Lines.

County Communications

County Communications is a Stockport-based telecoms company serving businesses across Greater Manchester since 1987. It supplies VoIP and cloud phone systems with bundles including IP handsets, hunt groups, auto attendants and call recording, alongside high speed internet, IT support, networking setup and disaster recovery planning. Free quote requests and system reviews are available by phone or email from its Cheadle Heath office.

D J H Communications Ltd

Independent telecommunications supplier based in Deganwy, Conwy, serving businesses across North Wales and Chester. With over 20 years' experience, the company supplies business mobile phones and tariffs, fixed line telephones, WiFi and fibre connections, mobile broadband, MiFi devices, two-way radios, vehicle fleet tracking systems and accessories, alongside installation services and technical support.

DB Communication

DB Communication is a business telecoms provider based in Aylesbury, Buckinghamshire, serving sole traders and SMEs. It supplies business mobiles and SIM-only contracts on networks including Vodafone, O2 and EE, designs bespoke cloud-based VoIP telephone systems, and provides business broadband, IT equipment sourcing and utility tariffs through its business energy service. The company also offers a free telecoms audit comparing costs and contracts.

DIDLogic

Discover The Best SIP Trunk Provider For Seamless Communication. Enjoy Direct, Low Latency Access To Regional Voice Carriers And Immediate Deployment.

DMV Communications

DMV Communications is an independent Birmingham-based provider of business telecoms. It supplies hosted VoIP phone systems, SIP trunks, virtual landlines, unified communications and 3CX solutions, alongside business mobiles, memorable numbers and smart mobile data. Connectivity services include fibre broadband and landline packages. The company also offers energy procurement with green options and proactive renewals, plus SMSEagle SMS gateway devices supporting email-to-SMS, SMS-to-email and network monitoring.

DP Systems

DP Systems provides managed IT support for small and medium-sized businesses, covering day-to-day issues through to strategic IT guidance. Services include cyber security consultancy, infrastructure, backup, cloud and video conferencing and VoIP. The company's support desk answers incoming calls directly, with engineers based in its UK offices. DP Systems has operated for over 30 years and states its growth has come from word of mouth referrals. The company also acts as a single point of contact for technology vendors, from audiovisual to web hosting, on behalf of its clients.

Daconi

Daconi is a systems integrator using wireless technology to provide real-time control systems and connectivity for educational, enterprise, industrial and agricultural sectors, established in 2002. Services include indoor WiFi and outdoor symmetrical multi-gigabit point-to-point links, multi-gigabit managed switches, and cloud and on-premise managed Voice over IP phone systems, including smartphone extensions over WiFi or cellular networks. The company also provides structured cabling and fibre installation and industrial Internet of Things solutions for advanced control of wireless connected devices. Daconi is based in Coventry.

Daisy Communications

Daisy Partner Business

Daisy Partner Business is the largest independent specialist telecommunications provider delivering telecoms solutions to UK businesses.

Data & Telephony Consultancy Services

D & T.C.S. is a Dudley-based telephony and data network company established in 1996. It installs and maintains telephone systems and data networks for public and private sector clients across Birmingham, Wolverhampton, Telford and the wider UK. Products include telephone systems, data cabling, fibre optic cable, Cat5e, Cat6e and Cat6a systems, routers and switches, and voicemail recording equipment. The team also advises on cost-effective solutions.

Datasharp Central Limited

Datasharp Central provides telecoms, voice and data solutions to SMEs and large businesses across the UK from its Staffordshire base. Established in 1980, it supplies telephone systems, hosted and cloud telecom platforms, VoIP and SIP, business broadband, structured cabling, Wi-Fi and Microsoft Office 365, alongside IT support, security, CCTV and ongoing maintenance services.

Del IT ltd

Eastbourne-based DEL IT ltd arranges business telecoms and connectivity, comparing providers, negotiating pricing and coordinating installations as a single point of contact. Services cover hosted and traditional phone systems, data connectivity, mobile plans, site security including CCTV, structured data cabling, fibre installation with on-site engineering, and IT support from single PCs to full server installations.