Best Telephony Software in the UK - Page 3
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Compare the Top Telephony Software in the UK as of November 2026 - Page 3
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1
ASTPP
ASTPP
#1 Open Source VoIP Billing Solution ASTPP has been empowering various VoIP businesses and service providers with its amazing Open Source VoIP solutions. It is regarded as one of the top VoIP billing solutions and the #1 open source FreeSWITCH-driven Class 4 and Class 5 Softswitch Solutions, which automates invoicing and billing processes completely. ASTPP is one of few solutions that support the N-level reseller structure. It uses cutting edge technologies like FreeSWITCH and OpenSIPs as core technologies to provide the most robust, reliable, and scalable solutions. ASTPP is a smart telephony platform, which has a suite of smart VoIP telephony solutions to offer to service providers and businesses, including, but not limited to: Class 4 Softswitch Class 5 Softswitch VoIP Billing Calling Cards Multi Tenant IP PBX DID Management FreeSWITCH Billing FoIP (Fax Over IP) STIR/SHAKEN Call Forwarding SIP Trunking MVNO Billing Mobile Dialer -
2
Kaleyra
Kaleyra
Transactional messages, OTPs, promotions: all delivered timely and safely to your customers’ mobile phones. IVR, Click-to-Call, call forwarding, call recording, and call masking features for any app, platform, or website. Conversate with your customers on the most widely-used instant messaging app, and send media attachments. Automate your customer engagement flows with AI-based chatbots for scalable customer interactions. Design multi-channel communication flows with our easy drag-and-drop visual editor. Or use our pre-defined templates. You likely won’t need our support team, but we’re right here if you do. We offer enterprise-grade security to customers in highly-regulated sectors. Our technology allows growing any communication channel, without limits. Automate your customer engagement flows with AI-based chatbots for scalable customer interactions.Starting Price: $ 0.004 per SMS -
3
Cytracom
Cytracom
Cytracom makes VoIP simple—simple to sell and simple to use. With a reliable platform built on flexible, cloud-based technology, Cytracom delivers fully managed, enterprise-grade Hosted VoIP tailored to small business needs. A 100% channel-driven model brings its nationwide partners directly to customers, providing the ease and comfort of working with local, trusted managed service providers. As the move to the cloud continues, Cytracom VoIP solutions enable partners to expand their portfolios and ultimately extend their reach and revenue with end-to-end managed services. Unparalleled tools, support, and training gives partners an advantage over the competition, reinforcing Cytracom’s commitment to their success and confidence in its solution. Visually build, deploy and manage corporate networks, public cloud connectivity and SD-WAN without legacy edge appliances.Starting Price: $27.95 per month -
4
Voicemaxx CE
Intrado
An enterprise-grade cloud-based calling solution fully hosted and managed by Intrado, with the added benefit of team collaboration, which includes: messaging, meeting, and mobility solutions and the features and benefits of Cisco Webex devices. VoiceMaxx CE includes Cisco Hosted Collaboration Solution (HCS), a cloud service that builds upon Cisco’s tried and true on-premises Call Manager offering, making it an ideal service for medium to large organizations switching from a premise-based service or those with Cisco infrastructure already in place. This solution is fully supported by Intrado with geo-redundant data centers—providing enhanced business continuity and disaster recovery—and 24/7 monitoring and support from Cisco-certified engineers.Starting Price: $25.00/month/user -
5
FreePBX
Sangoma Technologies
The “Free” in FreePBX stands for Freedom. That’s because FreePBX, the world’s most popular open source IP PBX, gives users the tools to build a phone system tailored to their needs. Discover the power of open source communications. Take a look at all the built-in features FreePBX has to offer and start building your phone system. Transform your FreePBX install into a robust Unified Communications system with commercial modules from Sangoma and other add-ons for FreePBX. Visit the Knowledge Base on the FreePBX Wiki! Or let FreePBX experts assist with support for installing FreePBX, updating, troubleshooting, and beyond. Completely free to download and use, the power of FreePBX comes from a global community of developers who ensure it remains a high compatibility and customizable platform with all the key features needed to build a scalable business phone system on any budget. -
6
Zangi
Zangi
Create a private space for your team communication. Use Zangi for Business apps for secure and private messaging, calling, file sharing and conferencing. The apps focus on business usage, seamlessly separating work from your personal connections. Zangi is where Military-Grade Encryption meets the ZERO data collection concept. Your data is never stored on any servers or clouds. Absolute connectivity. With ultra privacy in the core. Military-grade security and no data collection. Get your very own exclusive communication app on mobile and desktop. Don't rely on 3-rd party providers or apps anymore. Take full charge of your data and corporate communication. Get a fully customized social networking platform for your business/product, in a very short time to market. Add your corporate branding and custom features, making the app uniquely yours. Extend your business communication beyond the office space. Link your existing deck phone system to a secure business communication app. -
7
RingLeader
RingLeader
RingLeader is changing the way businesses and teams communicate. We’ve developed new technology that we call “Crowdvoicing” to allow small businesses and teams to rapidly deploy cloud-based phone service to their team for as little as a single day. For Enterprise businesses, our SIP Trunking technology works perfectly with all makes and models of PBX hardware. Most of our SIP customers don’t even need to purchase additional hardware to use our trunks. We are one of the few NATIVE SIP providers in the world. The smartest way is always the simplest way. RingLeader helps your business communicate smarter, faster and longer – from the work office or the home office – with flexible solutions designed to fit your small, medium or large team. All supported by real people who really answer the phone. RingLeader offers the fastest, simplest way for businesses to streamline how they communicate with their people – from colleagues to customers, both inside and out. -
8
LINE
Naver
Free Messaging Whenever, Wherever. Send free one-on-one and group texts to your friends anytime, anywhere! LINE is available for a variety of smartphone devices (iPhone, Android, Windows Phone, BlackBerry, and Nokia) and even your PC. Free Voice & Video Calls. Call friends and family as often as you want, for as long as you want. Free international voice and video calls make it easy to stay connected. Currently available for iPhone, iPad, Android, Windows Phone, PC (Windows and Mac), and LINE Lite on Android. Share exactly how you’re feeling by choosing from over 10,000 stickers and emoticons! Visit the Sticker Shop to discover original stickers of your favorite characters and celebrities. LINE NEWS is the most popular news content curation service in Asia and aims to deliver valuable content that enrich your everyday life. Receive medical consultations at home when you don't have time to visit a hospital or want to avoid the crowd. -
9
Rebtel
Rebtel
We automatically find the best phone line to connect your call through. We consistently analyze traffic to give you the lowest price possible. With the ingenious Red Box, we give you a unique experience based on your needs and calling behavior. We make international calling simple, reliable, and cheap based on your unique calling behavior. Get started with Rebtel and make cheap international calls with our app. It’s quick and super easy. With Rebtel, you can use any kind of phone to call any kind of phone, anywhere in the world. That’s because we have optimized your international calling by connecting them through local phone lines saving you money and ensuring great calling quality. Because we connect your call through local phone lines, you don’t have to rely on an internet connection or worry about your call dropping. Instead, you’re avoiding crazy international rates while getting the quality of a local call.Starting Price: $1 per 30 minutes -
10
VitalPBX
VitalPBX
VitalPBX is a unified communications PBX system based on Asterisk and Linux (Centos 7). VitalPBX provides a robust and scalable platform, which will allow you to manage your PBX in an easy and intuitive way. VitalPBX is built to be easy to use with tooltips across the system and a coherent user interface throughout. A telephony system should be aware of security hazards and avoid them. VitalPBX offers various levels of protection against cyber threats in the VoIP world.Starting Price: $100 -
11
Yolla
Yolla
Are you used to spend a fortune on calling overseas? Manage your wallet wisely, make cheap international calls with Yolla! Call India, call Ethiopia and make cheap calls to Nigeria as well as to any other country. International dialing has never been easier! With Yolla you see the accurate and total price per minute the moment you dial the international number you need. No hidden charges and connection fees: pay the sum shown on your screen! The people you call require neither the Yolla mobile app nor a smartphone! Any device made for phone calls will accept a call from Yolla. Call abroad whenever you need! Yolla allows you to top up any mobile number in 148 countries with low fees and no hidden charges. You can also top up friends' Yolla accounts if they don't have card or PayPal. Need to call your airline for help with plane ticket issues? Calling a government office? Yolla is here to help you stay connected so that life doesn’t get in your way! -
12
Spoke Phone
Spoke Network
Spoke is the leading platform for high-value, complex, and regulated conversations. Spoke guides employees to say and collect the right things so deals move forward and customers get better experiences. Spoke integrates with everything, personalizing conversations, driving productivity, and ensuring compliance. Trusted for over 250,000 conversations every day with features such as calls, SMS, WhatsApp, Team Inbox, programmable routing, Personalized IVRs, caller insights, forms, analytics, +more. The Problem Today, only a small portion of your employees are equipped or have the skills to have highly-contextual, complex, and personalized customer conversations. The Solution Spoke empowers every employee with the information and skills to hold high-quality compliant conversations that drive positive customer and business outcomes.Starting Price: $15 per month -
13
Retreaver
Retreaver
Retreaver is a cloud-based call tracking and routing platform built for performance marketers, agencies, and brands. We help you tag, route, and optimize inbound calls in real time connecting each caller to the right agent, department, or buyer using custom logic and data. Track conversions, measure ROI, and personalize experiences with CRM integrations, caller profiles, and real-time tracking. Our flexible tag system gives you full control over routing, analytics, and call flow optimization. What sets us apart is hands-on, responsive support. No tickets, no waiting just real help when it counts. We also offer seamless integrations with tools like RedTrack, ClickFlare, and TrueCall to give you a complete performance marketing toolkit. With no contracts, no hidden fees, and performance-based pricing, Retreaver is built to scale cleanly and transparently with your business. Explore more on our socials, book a personalized demo, or share your experience with a review.Starting Price: $1.00/month/user -
14
Telzio
Telzio
From startups to enterprises, companies worldwide rely on Telzio for mission-critical phone services. Easy to deploy, manage, and scale. Telzio Call Flows will have you up and running with a complete business phone system in 5 minutes. Our interface gives you complete control so you don't have to call a tech to make a change to your phone system. It's so easy, you can do it yourself. Expect great customer service from our team, dedicated specialists who know your account, and fast response times you can count on.Starting Price: $50/month for unlimited users -
15
2600Hz
2600Hz
An unrivaled UCaaS solution designed to empower Service Provider success. Differentiate your brand and offering in the market with a completely customizable, white label solution. KAZOO is 2600Hz's turnkey UC platform, offering the flexibility you need to provide a superior communication experience. Give your customers a communication solution that will make them successful. 300+ APIs enable you to customize a solution to help your customers do business better. White label your solution to build and maintain your brand recognition in the market. Low upfront costs let you get started quicker and stay cost competitive. Reliability and geo-redundancy ensures your customers are always online. Mobile ready lets your customers get business done when and where they need to. KAZOO is a multi-tenant platform and gives you the ability to open your sales channels. Bring on resellers, go direct, or have an agent model.Starting Price: $3.50/month -
16
Axon Virtual PBX
NCH Software
Axon is a virtual IP PBx for Windows PCs featuring a one click installation setup and a web management console that makes configuring your new PBx easy. Implement a scalable PBX solution with an existing PC which connects to phone lines and extensions using VoIP technology for your business or home. Offering all the normal features of a traditional PBX such as allowing internal or external calls and more advanced call queuing for call centers.Starting Price: $139/one-time -
17
Callture
Callture
A toll-free number offers a big-company image to clients and other callers who want to contact you free of charge from wherever they are located. We offer a variety of toll-free number types, from 800 and 866 extensions to vanity numbers. A local number can provide a local presence in any target city. Many clients use local numbers in geographical targeted advertising. Since our PBX is managed entirely online, you have full control over your system at all times. All you have to do is fill in the parameters (which tell the PBX where to forward each call) and you are done. It is an easy-to-understand process that is much better than the alternative (hardware), and comes with a variety of useful variety of useful features. Our Business VoIP phone service brings you all the features of a Fortune 500 phone system at an affordable cost. For just $35.95/month you can make unlimited calls to any number in the US and receive unlimited calls on your local phone number.Starting Price: $26.50 per month -
18
urLive
urLive
The urLive cloud service makes it easy for your customers to make live, high-definition video calls to your team. A single click on an endlessly reusable URL that can be shared anywhere – known as an Infinity Link™ – instantly starts a secure, private call with your designated team. No download, install, account creation, or password required. Unlike teleconferencing services, urLive allows your team to answer multiple, simultaneous inbound video calls from the same link. Calls are automatically routed and queued to your staff or even specific individuals based on a set of rules, such as expertise, skills, and availability. Once a call is answered it can be manually routed and shared through Attended Call Transfer. The service includes an option for customers to schedule calls. urLive is a no-code deployment service. It is configured, managed, and supported through a straightforward web portal. Strengthen engagement with customer-initiated live video calls.Starting Price: $450 per month -
19
Twilio Voice
Twilio
Create a scalable voice experience with the API that connects millions globally. With Twilio Voice, you can build unique phone call experiences with one API, to create, receive, control and monitor calls with just a few lines of code. Create an engaging voice experience that you can quickly scale and modify with a wide array of customization options and resources, like our Voice SDK. Then, add on features like Interactive Voice Response (IVR), recording transcriptions, and speech recognition to create an experience that your customers will appreciate. Whether you're looking to set up global conferencing or alerts & notifications, Twilio has the support you need for building with Voice. Find docs, code samples, helper libraries, and developer tools such as Twilio Runtime and our visual workflow builder, Studio.Starting Price: $0.0085 per min -
20
ZepCall
Shivtel Communications
ZepCall is a click-to-call solution, that helps to convert visitors into sales with an Instant One-to-One Phone Call, a call button enabled on the websites and mobile apps for instant call connections. With an added advantage of a Virtual Number. It's a plug-and-play solution, no developer is required. Let me explain to you, how it works. A visitor enters a phone number and gets the number verified via OTP. An instant call is generated between a business representative and the visitor. Now the question is how to use ZepCall for your Business. Once you log in to ZepCall, a Dashboard will appear. This Dashboard will help you to get a quick overview of the Leads and Lead’s Performance on a daily and monthly basis. You can Create Campaign for Click-to-Call and OR Virtual Numbers according to your requirement. To Create a Click-to-Call Campaign, you need to fill out a form. Enter Campaign Name, Choose the color for the Icon, Choose CLI, you can input the ‘Thank you text’ .Starting Price: ₹6000 -
21
CheckMyNumber
Noltic
Parse and validate international phone numbers directly in Salesforce to drive the relationship's success. Our Standard plan includes: - Parsing phone numbers - Full validation of phone numbers - Phone numbers formatting - Valid examples for all regions - Numbers comparison - Declarative for adminsStarting Price: $1,499 company/year -
22
TekSIP
KaplanSoft
TekSIP is a SIP Registrar and SIP Proxy for Windows. TekSIP supports UDP, TCP, TLS and WebSocket (IPv4 & IPv6) transports. TLS and Secure WebSocket are supported in only commercial editions. TekSIP is tested on Microsoft Windows Vista, Windows 7/8/10/11 and Windows 2008-2022 server. TekSIP can be deployed as a signaling server for WebRTC based SIP phones. TekSIP complies with RFC 3261, RFC 3263, RFC 3311, RFC 3581 and RFC 3891. It supports NAT traversal and ENUM. Please see technical details about NAT traversal in Readme. You can select IP address to be listened and alternative SIP endpoints for outgoing calls. You can also log session details into a log file and monitor active registrations and sessions in real-time. You can monitor number of active registrations and sessions using Windows Performance Monitor (Perfmon.exe). TekSIP can redirect calls to alternate endpoint when called endpoint is unavailable (Off-line, busy...). Active SIP session can be terminated via GUI.Starting Price: $239 -
23
Issabel
Issabel
Issabel is an open source unified communications platform that consolidates IP communication services into a single system, surpassing the constraints of a conventional PBX by integrating features such as call center capabilities, email, management reports, fax, video call meetings, audio recording, and CRM and platform integrations. It offers a robust, flexible, and easy-to-use call center module designed to efficiently automate and manage contact centers, handling both incoming and outgoing call campaigns through an intuitive agent console and call management interface. Issabel streamlines PBX solutions for service providers, enabling the management of multiple clients from a single instance, simplifying administration without the need for separate servers for each client. To enhance functionality, Issabel supports add-ons crafted to seamlessly integrate with the platform, adding features that interact with telephony to improve customer service and automate actions for support.Starting Price: Free -
24
TelecomBilling.Net
Dynasoft
TelecomBilling.Net is a cloud-based billing and accountancy platform tailored for telecoms, ISPs, VoIP providers, and MVNOs. With over 20 years of market experience, it offers comprehensive features such as real-time call data record (CDR) processing, invoicing, tariff management, and detailed financial reporting. The platform supports unlimited billing formats and sources, providing flexibility and scalability for diverse business needs. Users can access the service via a modern cloud portal or a desktop app, both designed for ease of use and high reliability. TelecomBilling.Net also provides outsourced billing services, handling everything from data import to invoice generation. The platform emphasizes robust customer support and 99.9% uptime, ensuring dependable performance.Starting Price: $99/month -
25
NextGenSwitch
Infosoftbd Solutions
NextGenSwitch is a programmable API-driven communication platform designed to revolutionize voice and message communication solutions for businesses of all sizes. This versatile platform integrates a comprehensive suite of communication tools, including PBX, Call Center, and Call Campaign solutions, into a unified and scalable platform. Designed to streamline operations and enhance customer engagement, NextGenSwitch offers seamless CRM integration for better data management and workflow efficiency. Additionally, it includes a Click-to-Call feature that simplifies outbound calling by allowing users to initiate calls directly from their CRM, website, or other digital platforms. Features: Call Routing & AI Based IVR Voicemail & Call Recording Extensions & Hotdesk Campaign and Survey Automatic Call Distribution (ACD) Real-Time Monitoring & Analytics AI Assistant integration Twilio alike APIStarting Price: Free -
26
Instant Web Call
Instant Web Call
Instant Web Call is a browser-based calling service for placing outbound voice calls to supported real phone numbers, including landlines, mobile numbers, offices, service lines, airlines, clinics, banks, government offices, business contacts and family numbers. It is useful when app-to-app calling is not enough, roaming is inconvenient, or installing another calling app is not practical. Users can check destination support and calling cost estimates before dialing. Instant Web Call uses prepaid USD wallet credit and is focused on practical outbound browser calling. It does not provide SMS verification-code receiving, inbound phone numbers, emergency calling, call recording, AI transcription, team phone systems or guaranteed bank verification.Starting Price: $5 prepaid credit purchase -
27
Fusion Connect
Fusion Connect
Connect your entire business with one call. Fusion Connect is your Managed Services Provider tailoring business internet solutions for your SD-WAN, business VoIP, unified communications (UCaaS), internet access, secure networking, and more. Fusion Connect's Business VoIP also features Internet-based faxing, SIP trunking, softphone, and auto attendant functions. Compatible with Windows and Mac, as well as device independent.Starting Price: $19.95/month/user -
28
Ricochet360
Ricochet360
Ricochet360 is an all-in-one dialer, CRM, and marketing automation platform for enterprises call centers, and sales and customer service teams. Ricochet360 enables teams to call leads and close deals much faster; manage all prospects, calls, and emails; route and track inbound phone calls; and streamline time-consuming marketing and sales tasks all from one platform. The solution is also highly customizable to fit a team's specific needs and budget.Starting Price: $100.00/month/user -
29
PhoneCall
PhoneCall
PhoneCall is a powerful contact center platform, built in the cloud, designed to scale seamlessly for the needs of telemarketing & lead generation business. The all-in-one software offers an AI-driven Intelligent Dialer, Real-Time Analytics, 3 Years of Recording Storage, Text-To-Speech Technology, Click-to-Talk, and even a 1-Click Compliance feature to ensure your business runs efficiently. With multi-device capabilities, owners and business administrators will never miss a beat when away from the operations, as the entire platform can go mobile on devices operating iOS or Android.Starting Price: $0.01 -
30
thinQ
Commio
thinQ offers a "better way" to power voice and SMS/MMS text messaging applications in the cloud, get up and running fast with our new, integrated thinQ io portal or APIs. We make it easy for SaaS and UCaaS platforms, enterprise contact centers plus telecom VoIP providers to bring your own 40 high-quality carriers to Twilio, Nexmo, Plivo, SignalWire or any SIP connection. Use our APIs to add and control your inbound and outbound voice and texting features in your existing tech stack in minutes, save on your cost of goods, connect to existing SIP providers, improve call delivery and quality, and more. Our now fully-integrated thinQ.io Web platform also makes it easy to buy and port phone numbers, create route profiles and trunks, enable text messaging, and more. Add call-specific analytics and SIP ladders along with our five-star support team to mitigate and route around outages, create custom routes and blocks, and more – and you've found a "better way" to communicate.Starting Price: $500
