Best Telephony Software for Windows of 2025 - Page 3

Telzio powers VoIP phone systems for business VoIP phones for top organizations around the globe. Telzio is the top cloud phone system for business. It offers the best uptime, features-rich solutions, and an interface that makes configuration quick and easy. You can get toll-free numbers, call center routing, real-time data, call analytics and many other features. Telzio's unique usage-based pricing helps to reduce monthly telecom expenses by an average 30% Unlimited users, simultaneous calling and call recording are all included. Voicemail transcription is also included. 24/7 customer service is available.

Introducing an unparalleled UCaaS solution crafted to drive the success of Service Providers. Stand out in the competitive landscape by utilizing a fully customizable white label offering that enhances your brand identity. KAZOO, the comprehensive UC platform from 2600Hz, provides the adaptability essential for delivering an exceptional communication experience. Equip your clients with a communication solution that fosters their achievements. With over 300 APIs at your disposal, you can tailor a solution that empowers your customers to enhance their business operations. Customizing your offering under your own brand allows you to strengthen your market presence. The low initial investment facilitates a swift launch while ensuring you remain price competitive. With robust reliability and geo-redundancy features, your clients will experience uninterrupted service. The mobile-ready functionality allows your customers to conduct business anytime and anywhere. KAZOO operates as a multi-tenant platform, giving you the opportunity to diversify your sales strategies. You can opt to onboard resellers, sell directly, or implement an agent model to maximize your reach. This flexibility can significantly enhance your operational capabilities and service offerings.

Axon serves as a virtual IP PBX designed for Windows computers, boasting a straightforward one-click installation process and a web-based management interface that simplifies the configuration of your new PBX system. This scalable PBX solution can be deployed on any existing PC, enabling connections to phone lines and extensions through VoIP technology, whether for residential or commercial use. In addition to providing all the standard functionalities associated with traditional PBXs, it also incorporates sophisticated call queuing capabilities tailored for call centers, enhancing communication efficiency. Furthermore, Axon ensures seamless internal and external calling, making it a versatile choice for a variety of telecommunication needs.

TekSIP for Windows is a SIP Registrar as well as a SIP Proxy. TekSIP supports UDP (IPv4 & IPv6), TCP (IPv4 & IPv6), TLS, and WebSocket transports. Only commercial editions support Secure WebSocket and TLS. TekSIP has been tested on Microsoft Windows Vista and Windows 7/8/10/11 servers. TekSIP is a signaling service for WebRTC based SIP-based phones. TekSIP is compliant with RFC 3261 and RFC 3263. It also complies to RFC 3581, RFC 3891, RFC 3311 and RFC 3481. It supports NAT traversal, ENUM. Please refer to Readme for technical details on NAT traversal. You can choose the IP address that will be listened to and alternative SIP endpoints when making outgoing calls. You can also log the session details in a log and monitor registrations and active sessions in real-time. Windows Performance Monitor (Perfmon.exe) allows you to monitor the number of active sessions and registrations. TekSIP redirects calls to an alternate endpoint if the called endpoint is not available (Offline, busy ...). GUI can be used to terminate an active SIP session.

One call can connect your entire business. Fusion Connect is your Managed Services Provider, providing business internet solutions for your SDWAN, business VoIP (UCaaS), internet accessibility, secure networking, and other requirements. Fusion Connect's Business VoIP includes Internet-based faxing and softphones. Compatible with Windows and Mac as well as other devices.

Are you looking for a business phone system that is affordable and reliable? It would be great to spend more time with your customers than waiting on hold with your provider every little change. FluentStream is your home! FluentStream is committed to being the best business communication system. No-contract plans are available for all accounts. We provide 24/7 client support. We will be there for you throughout the onboarding process. We understand how difficult phone setup can be. We're happy to take over the heavy lifting so that you don't have too. It's all part and parcel of being the easiest business to work with.

Streams.AI by PanTerra Networks is an all-in-one Unified Communications and Contact Center solution that brings together voice, video conferencing, team messaging, SMS, fax, and secure file sharing into a single cloud platform. Designed for businesses of all sizes, Streams.AI eliminates the complexity of juggling multiple providers by delivering everything in one seamless, AI-powered interface. With business VoIP and PBX features, companies gain HD-quality calls, auto-attendant, voicemail-to-email, and advanced routing. Video meetings and webinars support up to 1,000 participants with screen sharing and live streaming. Team collaboration tools include persistent chat, advanced team rooms, presence detection, and SmartBox file sync and share with enterprise-grade security and version control. Contact centers benefit from skills-based routing, queue management, live monitoring, and AI-driven agent assist, improving both efficiency and customer satisfaction. Streams.AI integrates with tools such as Microsoft Teams, Office 365, Google Workspace, Salesforce, and ServiceTitan, while APIs enable customization for industry-specific workflows. Built with HIPAA and SOC 2 compliance, end-to-end encryption, and redundant cloud architecture, Streams.AI ensures 99.999% uptime and secure operations. Deployment is fast with white-glove onboarding, and every plan includes 24/7 US-based expert support with live response in under 30 seconds. Trusted for over 20 years, PanTerra delivers a future-ready communications platform that scales from SMBs to global enterprises, helping organizations reduce costs, improve collaboration, and enhance customer engagement.

Toky is a fully-featured Business Phone System that allows customers and employees to communicate easily. All you need is an internet connection. Virtual phone numbers allow you to be available from anywhere in the world. Integrate your CRM with your business tools seamlessly so you can call customers with one click and automatically log all details. With proven reliability and affordable rates, you can take advantage of features like call recordings, voicemails SMS, Speech to Text, and voicemails.

OfficeConnect™, provides unified voice, conferencing and messaging as well as faxing. Our VoIP phones are more flexible and cheaper than legacy on-premises systems. You can keep your projects moving and synchronize teams with best-in class audio and video conference made easy. UniVoIP encrypts all voice traffic, both from remote and on-site telephones. It uses SRTP with 128 bit AES encryption. SRTP conforms to both the federal standards FIPS 140-2 Certified encryption and the Department of Defense's PKI Digital Certificate.

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.

Asterisk is a versatile open-source framework designed for creating various communication applications. It transforms a standard computer into a robust communications server. Asterisk serves as the backbone for IP PBX systems, VoIP gateways, conference servers, and numerous other tailored solutions. Its users range from small enterprises to large corporations, call centers, telecom carriers, and government bodies across the globe. Available at no cost, Asterisk thrives under the sponsorship of Sangoma. Currently, over a million Asterisk-based communication systems operate in more than 170 nations. Remarkably, nearly all companies listed in the Fortune 1000 utilize Asterisk in some capacity. Most frequently implemented by system integrators and developers, Asterisk can serve as the foundation for a comprehensive business phone system or can be employed to augment an existing setup or connect disparate systems. Whether you're interested in crafting a personalized system with Asterisk or purchasing an efficient, affordable turnkey solution, explore the options available to determine the best fit for your needs. With its flexibility and wide-ranging applications, Asterisk continues to evolve, ensuring it meets the demands of modern communication.

4Voice's telecommunications specialists thoroughly evaluate every aspect of your voice communication requirements to create a tailored solution that aligns with your company's budget, bandwidth, and specific priorities. With personalized service and dedicated training, you can expect a seamless deployment process without any downtime, allowing your team to concentrate on essential tasks. Regardless of whether you are making calls from a home office, various branches, or while working remotely, your voice communications are securely managed, ensuring that the cloud service is efficient, clear, and dependable. Moreover, businesses can potentially cut their phone expenses by up to 50% with 4Voice's offerings. By utilizing 4Voice, you benefit from a unified infrastructure that supports both voice and data (Internet), providing local, domestic, long-distance, toll-free, and eFax services, all available at an affordable price. This comprehensive approach simplifies communication while enhancing overall productivity across your organization.

HoduPBX is the best solution for business communication. HoduPBX's unique user interface and optimal user experience allow businesses to communicate efficiently with their end users. This software provides unparalleled connectivity in an office environment and remote locations, making communication seamless. HoduPBX empowers agents' work management with multitasking capabilities and efficiency. Our IP PBX software is a great choice for business communications. It supports 1000+ concurrent calls and has 10,000 extensions. HoduPBX IP PBX Software offers various sophisticated features such as Add-on Modules, Reseller Module, SIP Trunking, Queue Pro, Voice Transcription, and Webphone. It also offers white label features across IOS, Android, Chrome Extension, Windows, Mac, Linux, and ZohoPhonebridge Plugin.

Nextiva combines AI, automation, and omnichannel communication into a single platform that transforms customer experience. It empowers businesses to meet customers on their preferred channels—voice, SMS, email, chat, social, or video—while providing teams with a unified interface to manage interactions. The platform’s customer journey orchestration engine delivers real-time actionable insights, allowing companies to anticipate needs and automate key workflows. With AI-driven automation, organizations can increase self-service containment, reduce costs per interaction, and improve resolution rates. Nextiva is also designed to enhance workforce engagement with tools that prevent agent fatigue, streamline collaboration, and boost retention. Its open architecture and REST API foundation ensure scalability, security, and compliance, even in hybrid or regulated environments. Recognized by TrustRadius, G2, and Gartner, Nextiva has become a top choice for organizations seeking both innovation and reliability. By consolidating technology and reducing IT overhead, businesses maximize ROI while unlocking better customer outcomes.

Ninja Number is an application that places a second number on your cellphone. This allows your business to follow your every move. It manages your communications for you, reminding you of missed calls, answering the phone and even answering it. Ninja Number allows you to connect up to five devices and have your team members answer calls and text messages. To help customers resolve their issues quickly, several team members can join a text conversation. Auto-reply allows you to customize answers to frequently asked questions. When you receive a voicemail, text or message related to this question, Ninja Number's artificial Intelligence detects it and automatically sends you the answer. Ninja Number grows with you. You can have live operators answer your calls if you are too busy. Upgrade to a PBX system that has pre-programmed greetings or extensions for employees.

Cradle allows you to talk to customers like people. Cradle is not just a phone system, although it does the basic stuff. Our features are changing how businesses communicate with their customers. Although you have a lot of data about your customers, how often do your team have the right data? You can easily capture all calls in HubSpot with our integration to HubSpot. You can see the full picture of your marketing ROI by integrating reporting from non-digital media. HubSpot allows salespeople to keep track of their phone activity and their HubSpot account. This allows them to focus on the most important tasks and ensures that they are delivering value for you business. We make it easy to get started with our three-step onboarding so you can start talking to customers quickly!

The NOLA Automation Software is all-in-one software that allows you to build momentum in your business. You can create schedule campaigns broadcast, in-outbound predictive and SMS 2 WAY voice drop and email. With our software you also have the option to email a link to your prospect that will redirect them to their accounts via an online portal.

The Web Button from Virtualphone.com enables you to connect with customers through their preferred communication methods, whether it be chat or voice. This customizable feature ensures that your clients can easily reach the appropriate representatives. By simply clicking on a Web Button link embedded in your website, online ads, email signatures, or digital documents, customers can initiate contact at their convenience. Empower your employees to handle all business communications seamlessly via their computers or smartphones, making it easier for remote, mobile, and home-based workers to make and receive calls from anywhere with internet connectivity. Every call made with the Softphone app reflects your business's Caller ID, maintaining a professional appearance. Begin your calling journey today by downloading the VirtualPhone.com app for both desktop and mobile platforms. Additionally, all phone numbers provided come equipped with sophisticated call management features, including toll-free and local numbers available in over 120 countries, allowing you to establish your own international toll-free number for better outreach. With this tool, you can enhance your customer engagement and streamline communication across your organization.

Experience a user-friendly and adaptable business telephony solution, whether you operate a large corporation, a small local shop, or are a certified MongoTel reseller. With features that can easily accommodate teams of all sizes and the capability for rapid mass deployment, MongoTel is designed to operate seamlessly in the cloud. Our platform offers personalization options for users, simplified management tools for administrators, and innovative features for callers, leading to more meaningful interactions. The combination of our certified installer network and direct technical support ensures an exceptional and efficient user experience. At MongoTel, assistance is always close at hand, as our support team consists of the very experts who developed and continue to enhance our proprietary systems. The cloud-centric phone ecosystem provided by MongoTel empowers you to engage with each client on a personal level, whether they represent a business or are individual consumers. Our comprehensive tools are tailored to help you effectively reach out to those who are genuinely interested in your offerings, enhancing your sales opportunities further.

An effective platform unites the essential people, messages, and applications required for teams to communicate efficiently and respond swiftly. Conversations can vary greatly based on the user's preferred device, location, and the urgency of the needed response. Traditional tools like telephones and emails continue to dominate professional communication. In contrast, live web chat demands immediate attention, necessitating appropriate staffing levels to manage it. While many users favor smart devices and social media messaging applications such as WhatsApp Business and Facebook Messenger, Splicecom Media Apps provide multimedia communication solutions that are consolidated into Shared Inboxes, ensuring that teams maintain control over their interactions; this makes it ideal for organizations across various sizes and sectors. The Splicecom range of Unified Communications devices includes cost-effective entry-level telephones, versatile IP system phones that adjust to context, sleek keyless touchscreen desktop phones, and IP softphone applications for both Windows and Apple Mac systems, smartphones, and tablets, catering to diverse communication needs. By leveraging these tools, businesses can enhance their overall communication strategy and improve team collaboration significantly.

VoipBuster is a complimentary application that leverages cutting-edge technology to facilitate free and high-quality voice communications globally. By utilizing the VoipBuster software at no cost, users can make calls to regular phones in a range of popular locations without any charge or connect to any phone worldwide at exceptionally low rates. Additionally, you can enjoy unlimited free calls to all your online friends (PC-to-PC calls) without any time constraints. To get started, simply click here to download VoipBuster; the download duration will be quick, depending on your internet speed. With VoipBuster, not only can you make calls and send SMS messages worldwide at the most competitive rates, but you also have the benefit of free calls to several popular destinations! Charges for calls are applied in cents per minute, and be aware that calls are rounded up to the nearest minute. Please remember that there is a setup fee of 5 cents for phone-to-phone calls, and all rates are subject to change without prior notice. In a world where communication is key, VoipBuster stands out as an ideal choice for budget-conscious users.

VoipStunt is an innovative application that leverages cutting-edge technology to facilitate free and top-notch voice communication worldwide. By utilizing the VoipStunt software at no cost, you can connect with standard phones in various sought-after locations completely free of charge, or enjoy significantly reduced rates for calls to any other phone globally. Additionally, you can make unlimited peer-to-peer calls to your online contacts without incurring any costs. Simply click here to initiate the quick download of VoipStunt, which should only take a moment based on your internet speed. With VoipStunt, you have the ability to communicate via calls and SMS to any corner of the globe at remarkably low prices, with several well-known destinations available for free. Calls are billed in cents per minute, and any duration is rounded up to the next full minute. It’s important to remember that a setup fee of 5 cents applies to all phone-to-phone calls. Rates are subject to change without prior notice, so stay informed!

TeleCMI is an integrated communication and collaboration platform that is designed to improve business connectivity and streamline interactions with customers. SMS users can collaborate in real-time and make and receive calls of high quality. Integration with popular CRM software ensures seamless synchronization, enabling efficient and personalized customer service. TeleCMI prioritizes security by encrypting calls and messages. Its reliability and excellent call-quality ensure uninterrupted communication. TeleCMI empowers businesses with exceptional customer experience, facilitating effective collaboration and driving productivity.

Since 2017, Vozelia has been integrated into Sewan, a leading voice over IP telecommunications operator for businesses and a trailblazer in the IP telephony field in Spain, boasting over a decade of expertise. Sewan Communications belongs to Sewan Groupe, a highly regarded and innovative company in France. With a focus on redefining the "turnkey" model, Sewan provides a white label solution that meets the evolving needs of modern customers and businesses, as well as the future management requirements of telecommunications operators and distributors. This is facilitated through our comprehensive All-In-One platform, Sophia, which allows for easy, automated management of setup, auto-provisioning, and billing via a single interface. Experience a range of professional, intuitive, scalable, and automated telecommunications solutions tailored to your needs. Enjoy the flexibility of IP Telephony on your smartphone or tablet, with options to utilize an IP telephone or connect an ATA transformer to your existing analog phone. The future of telecommunications is here, designed to enhance user experience and streamline communication.

Oyatel offers a wide array of options for your communication needs. Whether you prefer utilizing our Oyatel Softphone, mobile application, a desktop unit, or a cordless phone, we are here to address your challenges. Our comprehensive and feature-rich phone system is tailored specifically to meet the demands of any business. The CallManager is fully web-based, allowing you to manage your telephony effortlessly from either a Mac or PC. You will always have real-time access to updated information regarding phone statuses and the online presence of employees. The Oyatel CallManager also includes an automated attendant that is managed via calling queues, key selection menus, and automated controls for opening hours. With our system, you can efficiently manage users and call queues, resulting in quicker response times and smoother call flows. Additionally, you can have an operated switchboard that provides real-time access to the online status of your team members, ensuring that you are always connected. This flexibility makes Oyatel an ideal choice for businesses seeking effective communication solutions.