Page 2 | Best Telephony Software for Windows of 2026

VoIPstudio

VoIPstudio is a cloud-based business telephone system created for organizations that require professional communications features without the hassle and expense of owning and managing on-site PBX equipment. With thousands of systems installed worldwide, VoIPstudio is the first choice for companies when selecting a VoIP solution. Its power and simplicity make VoIPstudio perfect for any business, from startups to mid-sized call centers. With VoIPstudio, you get an all-in-one business VoIP solution with no contracts and no hidden costs, available at consumer-level pricing. All our clients get all our features from day one, including a virtual switchboard, virtual numbers, conference calling, call center, call recording, and much more. VoIPstudio also includes advanced communication tools like videoconferencing, screen sharing, or integration with lots of CRMs and other business tools. VoIPstudio is a global company that serves more than 15 million minutes of daily talk time to

1 Rating

Starting Price: $6/month/user

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Global Call Forwarding

Buy toll-free numbers and local phone numbers from more than 160 countries without commitment. You can route incoming calls to any phone, PBX, or SIP worldwide. Our global network has multiple layers of redundancy. Make international outbound calls and show any of your business phone numbers as Caller ID. Connect our SIP trunks to your phone system or use the GCF softphone to make outbound calls. Easily set up and modify smart call routing features like auto-attendant / IVR, location & time-based routing, local ringback tones, simultaneous ring, customized greetings, call recording, voicemail, and more. Easily add or remove virtual numbers, change calling plans, download your invoices and call detail records, modify advanced features, reach live technical support 24/7, and contact your account manager.

1 Rating

Starting Price: $7.95 per month

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AVOXI

The effective, affordable, and easy-to-use cloud-based call center software, AVOXI Genius. Easily manage your business communications from an intuitive, web-based contact center. AVOXI Genius is the first platform to integrate your contact center solution with your voice service, with virtual phone numbers available for instant activation in 170+ countries. With plans starting at $19.99 per user, AVOXI Genius is one of the most affordable solutions worldwide! Get 2 months free--limited time only.

1 Rating

Starting Price: $19.99/month/user

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NUACOM

NUACOM is a Software-as-a-Service and Telecom company that provides flexible and scalable calling solutions for businesses to deliver exceptional customer service and handle successful sales calls. Sales and customer service are important departments for any organization and having a powerful communication platform is crucial for business success. Our calling platform is focused on the user experience, call analytics and automation, so you can focus on what matters most: close more deals and delight your customers. Deliver exceptional customer service and handle successful sales calls through the power of our VoIP solution for SMEs or our versatile call center software. Collect information from inbound calls and set up automation workflows to streamline the support process. Track every call query, review call logs, and view which agents are interacting with which customers. Look up all information about your callers with a click.

1 Rating

Starting Price: €9.99 per month

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Smartz Solutions

Smartz Solutions is the disruptor reshaping the contact center landscape. Traditional legacy systems, with their entangled infrastructures and exorbitant fees, have held businesses hostage for too long. Contact centers are tired of being burdened by disjointed systems with hefty price tags and bad customer and employee experiences. We’re redefining the contact centre experience through our AI-powered 360-degree experience platform. We’ve been there. We paid for the legacy systems. We had 15 different systems running (at a snail's pace) at once to be able to run our call centre. We know the pain of not being able to find data quickly enough (sometimes at all) to help customers. And we sure know what it’s like to have employee information in multiple systems; never showing a clear view of the business. Losing money, opportunities and patience doesn’t have to be how you continue to run your call centre. Through a comprehensive tech stack, you will finally have your entire custom

1 Rating

Starting Price: $55.00/month/user

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Monster VoIP

Monster VoIP was established to distribute superior voice quality and maximized uptime to customers from here in L.A. to New York to Washington, D.C. to Houston to Dallas to Chicago and beyond, while delivering unparalleled service and customer satisfaction. We started by setting up data centers in Las Vegas, New York, Dallas, and Minnesota to ensure geo-redundancy, with all endpoints multi-registered at all four facilities. (This is just a fancy way of saying that multiple locations means you can expect amazing voice quality and unparalleled business phone uptime.) We then made sure to offer a complete suite of communication tools in one platform. This means you and your team only have to learn our easy-to-use user interface for all of your communication efforts. To make good on our customer satisfaction promise, we then decided to provide personalized setup and ongoing 24/7/365 support to every business VoIP customer that walks through our (virtual) doors.

1 Rating

Starting Price: $27 /month

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Ring4

yourVirtualSIM

Ring4 provides companies and individuals with a lightweight cloud solution to manage phone lines as simply as they manage emails. The Ring4 smart numbers work on any iOS or Android device and can be managed via the Admin Console. Ring4 phone numbers are mobile and support unlimited texting, unlimited calling, voicemail and call recording. Ring4 starts at $9.99/month/line.

1 Rating

Starting Price: $9.99 per month per user

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JustCall

JustCall.io

The Cloud Phone System of choice for modern sales and support teams. End clueless conversations by adding context to every call. Call software, virtual numbers, SMS campaigns, native CRM integrations, and lots more at just $25 per user. - 100+ integrations with CRM & Business tools - Click to call from CRM - Go live in 70+ Countries - SMS Workflows & Automation - 3 sales dialers to choose from - Call queueing and forwarding - Comprehensive analytics - Conversation intelligence & much more Get 70% off on your first month!

1 Rating

Starting Price: $30 per user per month

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8x8

A single platform that combines cloud phone, video collaboration, team chat, contact center and analytics. Optimize your organization's total cost of ownership by giving each user the exact features needed for the job. Eliminate organizational silos with full analytics and collaboration between contact center agents and functional area experts. Single administration tool for system setup, with user and data management. Combine call, directory, video conferencing, chat and contact center in a single license. Connect your business around the globe with enterprise-grade reliability and quality in the cloud. Schedule, start or join HD video and audio conferences from any device or room with no friction. Easily access your contacts whether they are colleagues on the same account or an external user. Design better customer experiences with an intelligent, collaborative, and reliable solution.

1 Rating

Starting Price: $19.99 per month

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VoIP Office

VoIP Office, a leading provider of Cloud based communications, makes it affordable and easy to connect to anyone, anywhere in the world. Our communications solutions meet the needs of any type of business in any industry, from home offices to large enterprises. VOIP OFFICE is a new-generation cloud based communications provider that offers all the features of your traditional PBX along with the latest functionality enabled by the use of VoIP technology. VoIP Office integrates easily with your business applications, seamlessly integrating your desktop and your office into one interconnected system.

1 Rating

Starting Price: $24.95 per month plus taxes

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Yeastar Cloud PBX

Yeastar

Yeastar Cloud PBX is a fully-featured future-ready phone system ideally suited for SMBs. With Linkus UC Clients, you will gain easy access to enhanced call efficiency and remote working agility across any device at your choice. With 100% hosted deployment, there is no upfront hardware cost and the in-house management overheads are reduced to almost nothing. Together with easy to use and full compatibility features, any migration or upgrade to Yeastar’s hosted solution will be as easy as a breeze. * Please note that Yeastar P-Series PBX System is the new Yeastar Cloud PBX that comes with versatile call center features and unified communications features.

1 Rating

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Emitrr

Emitrr is a human-like smart receptionist for small businesses. With Emitrr, business owners don’t have to worry about missing customer calls and can focus on their business growth, while Emitrr handles customer queries like booking appointments, quotes, FAQs, and more. A smarter phone system that integrates with your EHR/CRM, resulting in real-time conversion metrics, reduced average handling time with screen pop, and more! Convert customers with web chat that continues the conversation on text, so your patients never have to wait on the web. Most small businesses spend a lot of dollars on building a website, advertising, SEO, and other forms of marketing. In addition, small businesses work very hard to channel these customers to the website and more than a quarter of these web visitors never get converted. Your customers are not tied to a live chat on the web. Convert customers even when they walk away from the web.

1 Rating

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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.

3 Ratings

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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.

2 Ratings

Starting Price: $100

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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

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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

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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

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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

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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

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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

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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 API

Starting Price: Free

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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

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FluentStream

Do you want a business phone service that works without costing a fortune in setup or monthly fees? Wouldn't it be nice to focus on your customers instead of spending hours on hold with your provider every time you want to make a small change? Welcome to FluentStream! We're committed to being the easiest business communication system to do business with. We offer no-contract plans with 24/7 client success for every account. Not only will we hold your hand throughout the entire onboarding process, but we'll do everything on your behalf (including the hassle of calling your internet provider). We know how complicated phone setup can be, and we're more than happy to do the heavy lifting so you don't have to. It's all part of being the easiest business to do business with.

Starting Price: $20.00/month/user

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Streams.AI by PanTerra Networks

PanTerra Networks

Streams.AI by PanTerra Networks is an all-in-one UCaaS and VoIP cloud phone system that combines business voice, video meetings, messaging, SMS, fax, and secure file sharing in a single platform. Built for productivity and growth, Streams.AI delivers features such as an intelligent receptionist, real-time transcription, analytics, and agent assist to improve team efficiency and customer engagement. As a full contact center software solution, it offers skills-based routing, queue management, and live monitoring to optimize call handling. With HIPAA and SOC 2 compliance, 99.999% uptime, and end-to-end encryption, Streams.AI ensures enterprise-grade security and reliability. It integrates seamlessly with Microsoft Teams, Google Workspace, Salesforce, and more, while flexible pricing and white-glove onboarding make deployment fast and cost-effective. Backed by 20+ years of innovation and 24/7 US-based support, Streams.AI is a trusted, future-ready communications platform for any business.

Starting Price: $24.95 per user/month

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Toky

Toky Inc.

Toky is a full-featured Business Phone System that allows your customers and team to communicate efficiently, you just need a good internet connection. With virtual phone numbers from around the world, make yourself available no matter where your company is located. Integrate your CRM and business tools seamlessly, so you can call your customers with a single click and automatically log the details of every call. Take advantage of features such as call recordings, voicemails, SMS, Speech to text, with affordable rates and proven reliability.

Starting Price: $20.00/month/user

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OfficeConnect

UniVoIP

OfficeConnect™ provides unified voice, conferencing, messaging, fax, and more. Our state-of-the-art VoIP phones are far more flexible and cost-effective than legacy on-premises systems. Keep your projects moving and synchronize your teams with best-in-class audio and video conferencing made simple. UniVoIP encrypts all voice packets—from both remote and on-site phones—using SRTP with 128-bit AES encryption. SRTP is compliant with both the federal standards for FIPS 140-2 Certified Encryption and the Department of Defense’s PKI Digital Certificate.

Starting Price: $18.95 per user per month

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CloudCall

CloudCall is the only communications software dedicated to businesses who use CRMs. By capturing all calls and communications, and saving them into the CRM contact records, CloudCall helps businesses make more insightful decisions, stay in control of teams working from anywhere, and get more done faster. Let data drive your business Capture data from your communications, surface key insights, and automate key workflows. Saving time, increasing efficiency and profits. Get more control Keep everything in your CRM and see how your teams are doing from anywhere. Boost productivity and profits Make more placements, close more deals, get more done faster, with Click-to-call, Power Dialler and Automated workflows.

Starting Price: $15/user/month

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Asterisk

Sangoma Technologies

Asterisk is an open source framework for building communications applications. Asterisk turns an ordinary computer into a communications server. Asterisk powers IP PBX systems, VoIP gateways, conference servers and other custom solutions. It is used by small businesses, large businesses, call centers, carriers and government agencies, worldwide. Asterisk is free and open source. Asterisk is sponsored by Sangoma. Today, there are more than one million Asterisk-based communications systems in use, in more than 170 countries. Asterisk is used by almost the entire Fortune 1000 list of customers. Most often deployed by system integrators and developers, Asterisk can become the basis for a complete business phone system, or used to enhance or extend an existing system, or to bridge a gap between systems. Build your own custom system with Asterisk? Buy a powerful, low-cost turnkey system based on Asterisk? Discover which option is right for you.

Starting Price: Free

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4Voice

4Voice’s telecom experts analyze all facets of your voice communication needs to deliver a customized solution that fits the budget, bandwidth and priorities of your business. White glove service and one-on-one training ensure zero down-time and painless deployment, so your business can focus on the work that really matters. Whether calling from the home office, branches or working remotely, your voice transmissions are managed from a secure location, delivering cloud service that is fast, clear and reliable. 4Voice’s cloud phone services for business can reduce your phone bill by as much as 50%. With 4Voice, you use a single infrastructure for both voice and data (Internet), and get local, domestic, long distance, toll-free, and eFax services—all for one low price.

Starting Price: $10 per month

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HoduPBX

Hodusoft

HoduPBX is the ultimate solution for business communication. Its unprecedented user interface with optimal user experience facilitates businesses to communicate with the end users efficiently. This software offers world-class connectivity within an office and from the remote location leaves communication an uninterrupted process. Get HoduPBX and empower agents’ work management with multitasking abilities and efficiencies. With 1000+ concurrent calls and 10,000 extensions, our IP PBX software is one of the best choices for business communications. Here are HoduPBX’s key features: Multi-Tenant Auto Provisioning Least Call Routing (LCR) Real-time Analytics and Reports Queue Monitoring Multi-level IVR BLF & Presence Prepaid & Postpaid Billing Payment Gateway Integration Audio-conferencing SMS Hosted IP PBX Software

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Best Telephony Software for Windows - Page 2

Compare the Top Telephony Software for Windows as of November 2026 - Page 2

VoIPstudio

Global Call Forwarding

AVOXI

NUACOM

Smartz Solutions

Monster VoIP

Ring4

JustCall

8x8

VoIP Office

Yeastar Cloud PBX

Emitrr

LINE

VitalPBX

Spoke Phone

Retreaver

Telzio

2600Hz

Axon Virtual PBX

TekSIP

NextGenSwitch

Fusion Connect

FluentStream

Streams.AI by PanTerra Networks

Toky

OfficeConnect

CloudCall

Asterisk

4Voice

HoduPBX

Best Telephony Software for Windows - Page 2

Compare the Top Telephony Software for Windows as of November 2026 - Page 2

VoIPstudio

Global Call Forwarding

AVOXI

NUACOM

Smartz Solutions

Monster VoIP

Ring4

JustCall

8x8

VoIP Office

Yeastar Cloud PBX

Emitrr

LINE

VitalPBX

Spoke Phone

Retreaver

Telzio

2600Hz

Axon Virtual PBX

TekSIP

NextGenSwitch

Fusion Connect

FluentStream

Streams.AI by PanTerra Networks

Toky

OfficeConnect

CloudCall

Asterisk

4Voice

HoduPBX

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