List of the Top 15 Telephony Software for Slack in 2026

CallTools offers a comprehensive telephony solution designed for optimal clarity, efficiency, and scalability. Fully cloud-based, it guarantees superior audio quality and dependable connections for both incoming and outgoing calls. Its integrated features, such as Interactive Voice Response (IVR), intelligent call routing, and sophisticated queue management, enhance team organization and productivity. Agents enjoy the convenience of click-to-call functionality, seamless call transfers, voicemail management, and the ability to juggle multiple interactions from one platform. For managers, real-time oversight, whisper coaching, and barge-in options are available to boost team performance. With customizable caller ID options and number management tools, CallTools streamlines contact strategies and improves answer rates. This telephony system is engineered to eliminate the necessity for on-site equipment, providing the agility and capability that contemporary call centers require.

Kixie: Intelligent Calling and Texting Solutions for Revenue Teams Kixie serves as an AI-driven sales engagement platform designed to enable teams to connect more swiftly, secure additional deals, and grow seamlessly—all while maintaining a personal touch. 🔥 Outbound Sales: Elevate connection rates by as much as 400% through AI-enhanced Local Presence, Multi-Line PowerDialer, and Spam Risk Prevention. 🚀 Marketing: Streamline calls and texts for immediate follow-ups and impactful outreach—all without the hassle of manual processes. 📞 Inbound Sales & Customer Service: Manage a higher volume of calls with intelligent CRM-based routing, shared SMS inboxes, and instant auto-responses. 📊 Revenue Operations & Leadership: Access AI-generated insights, real-time coaching resources, and sophisticated analytics to enhance your team's performance. 💥 Transform your sales force today! Explore our website to begin your journey for free, with no credit card necessary, and discover the difference Kixie can make.

The cloud phone solution is specifically built for the Zoom platform, offering a modern user interface paired with enterprise-grade features that enhance voice communication. The Zoom administrator portal facilitates user management and provisioning, along with monitoring call quality and usage metrics. With a globally distributed cloud infrastructure, Zoom ensures secure HD Voice with exceptional reliability suitable for enterprises. Users can seamlessly make and receive calls, share content, and engage in video meetings, while also having the ability to send chat messages through Zoom's desktop or mobile applications. Additionally, phone calls can be effortlessly upgraded to Zoom Meetings, eliminating the need for participants to disconnect or dial into a different conference bridge. Native applications for Windows, MacOS, and Android are designed for ease of use and optimize both voice and video quality. As the range of countries offering local phone numbers continues to expand, customers looking for simplified global telephony management can easily port their numbers to Zoom to streamline their communications. This comprehensive integration allows businesses to enhance collaboration and connectivity across various regions.

One Platform for All Business Calls Simplify and enhance your business communications with Zadarma. From internal calls to global customer service, everything runs in the cloud — secure, reliable, and fully customizable to your workflow. Highlights include: - Visual PBX constructor for intuitive setup - AI call agents and speech recognition tools - Automatic call distribution (ACD) and IVR setup - eSIM for global mobile connectivity - Full API access to automate and integrate with your systems - 24/7 support and detailed documentation Perfect for companies managing international communication, remote support, or multi-channel sales teams.

CallHippo is an advanced contact center solution designed to facilitate connections with clients. Its user-friendly interface, combined with powerful features and comprehensive reporting, empowers sales and service teams to engage in effective conversations with customers seamlessly. Moreover, CallHippo integrates effortlessly with various platforms, enhancing overall productivity. With a global trust from over 5,000 businesses, it has established itself as a reliable choice in the market. This level of widespread adoption highlights its effectiveness and the value it brings to organizations seeking to improve customer interactions.

Aircall is redefining call center and customer communication software with an AI-driven platform that empowers teams to work smarter and connect better. Designed for both sales and support teams, it centralizes phone calls, SMS, and WhatsApp messaging, ensuring no customer interaction slips through the cracks. With AI Voice Agents, businesses can handle inbound calls 24/7, qualifying leads and addressing routine queries without missing a beat. The new AI Assist Pro takes conversations further by coaching reps in real time, guiding them with prompts, and automating follow-ups—turning every rep into a top performer. Teams also gain actionable insights with powerful analytics, call recordings, and performance dashboards to identify trends and improve outcomes. Aircall’s shared inbox keeps cross-channel communication organized, while IVR and automated call routing reduce resolution times. Businesses appreciate its fast, intuitive setup: claim numbers instantly, configure workflows in minutes, and connect seamlessly to Salesforce, HubSpot, Zendesk, Intercom, Shopify, Microsoft Teams, and 100+ integrations. Customers around the world—from travel agencies to healthcare recruiters—praise Aircall for its stability, reliability, and ease of use. With proven results like increased bookings, faster onboarding, and measurable boosts in customer satisfaction, Aircall demonstrates real business impact. By combining automation, AI, and human connection, it delivers a future-ready communication hub that helps companies scale without sacrificing quality.

Create a smooth and effective customer experience that effortlessly transitions across multiple channels. Our AI-powered, automation-centric solutions are tailored for everyday applications. Each year, we unveil a host of new features, solutions, and integrations to keep our platform ahead in the realm of customer experience technology and current trends. By prioritizing automation, we significantly improve essential customer service workflows utilizing the capabilities of Talkdesk AI. Yet, the proof lies in our clients’ successes; delve into diverse testimonials that highlight how they have effectively met their customers' needs. Revolutionize your customer service operations with CX Cloud, an all-encompassing suite of enterprise-level applications that seamlessly integrate for customer self-service, omnichannel communication, workforce engagement, employee collaboration, and analytics—all housed within a singular cloud-native system. Delight your agents with an intuitive interface while boosting the adaptability of your contact center by easily modifying every aspect of CX Cloud, from IVR routing settings to the agent dashboard. Additionally, these innovative tools empower you to deliver a consistently outstanding experience for both your team and your clientele, reinforcing the value of exceptional service at every touchpoint.

NUACOM operates as a Telecom and Software-as-a-Service provider, offering adaptable and scalable calling solutions that empower businesses to enhance customer service and excel in sales engagements. Effective sales and customer service are vital for any organization, making a robust communication platform essential for achieving business success. Our calling platform prioritizes user experience, call analytics, and automation, allowing you to concentrate on what truly matters: increasing your sales and ensuring customer satisfaction. By leveraging our solutions, organizations can foster stronger relationships with their clients and streamline their communication strategies.

Remote teams can effectively utilize cloud phone systems, and JustCall offers a versatile solution that functions seamlessly on any device, enabling sales and support teams to communicate from anywhere at any time. Users can swiftly acquire phone numbers across 70 different countries and initiate or receive calls within moments. In just a few minutes, you can establish your own cloud phone framework, making JustCall the quickest and most straightforward option for managing your telecommunication needs. Discover how companies leverage JustCall to streamline their phone communications, enhancing agents' abilities to boost sales and conversion rates. Eliminate the complications of manual dialing and data entry, potentially increasing your sales call volume and productivity by as much as 300%. Moreover, with features like IVR and Smart Call Routing, as well as Live Call Monitoring, you can ensure a smooth customer experience. The addition of SMS Bots allows you to provide clients with responsive support around the clock, while automated integrations can connect with various business tools and applications. Utilizing CRM systems, Helpdesk solutions, and other software automation tools, you can create efficient workflows that benefit both support and sales teams, ultimately leading to greater operational success. By implementing these advanced features, organizations can not only improve their internal processes but also enhance customer satisfaction significantly.

Easily send out large volumes of text messages, automated calls, and emails to your entire list of contacts in just a matter of moments. Start your adventure today by registering for a free account! Our mass notification system allows you to make automated calls to a specific list of phone numbers in mere seconds. We streamline the creation, scheduling, and delivery of your automated calls, ensuring that all your contacts receive them at the same time. Quickly and effortlessly broadcast mass text messages to a vast array of phone numbers using our notification platform. DialMyCalls offers both long code and short code options for text messaging, enabling you to engage with your audience immediately! Our free bulk email service allows recipients to either listen to your recorded message or read your text through email. By incorporating email addresses into your contact database, you’ll be all set to distribute your mass notifications! Additionally, DialMyCalls' mass notification service can be accessed on your favorite mobile device, allowing you to download the app and send notifications from practically anywhere, keeping you connected while on the move. With this flexibility, you can ensure that important messages reach your audience without delay.

Retreaver is an innovative cloud-based solution for call centers that efficiently tracks, tags, and directs calls to the appropriate agents or departments. Our platform empowers marketers, agencies, and brands to gain insights from inbound calls, manage caller profiles effectively, and route calls dynamically. Additionally, we provide tools to monitor conversions, assess ROI, and generate comprehensive reports. By utilizing advanced CRM databases and real-time tracking, businesses can enhance customer experiences, minimize call durations, and boost overall satisfaction. With Retreaver, you have the capability to define custom call data properties through personalized tags, which are linked to specific phone numbers or calls, allowing for improved campaign management. We pride ourselves on optimizing our operational costs, which enables us to pass savings on to our clients. Notably, we do not require any monthly contracts and maintain competitive pricing. Reach out to us today to receive a personalized quote tailored to your needs.

Toky is a comprehensive Business Phone System designed to facilitate smooth communication between customers and employees alike. With just an internet connection, you can stay connected from virtually any location around the globe. The system provides virtual phone numbers, ensuring you are reachable no matter where you are. Additionally, it allows for seamless integration with your CRM and other business tools, enabling you to call customers with a single click while automatically recording all relevant details. Known for its reliability and cost-effectiveness, Toky offers a range of features, including call recordings, SMS, speech-to-text capabilities, and voicemail management, making it a versatile choice for businesses. This combination of features ensures that you can maintain effective communication and streamline your operations efficiently.

Boost your productivity by capturing an extra 40% of your time through automated time entries and post-call notes for every client interaction. Enhance your placement success and minimize potential disputes by ensuring that all conversations with candidates are automatically saved in your CRM and ATS. Improve compliance and reduce risks by recording your calls, which allows you to allocate more time to assist clients effectively. VXT offers flexible solutions designed for businesses that place a strong emphasis on customer satisfaction. With VXT voicemail, you can craft intelligent greetings tailored to each contact, which significantly improves their experience with personalized messages. This cloud-based voicemail system enables you to access your messages from any device, no matter where you are. Furthermore, you can record calls just like any other phone conversation, and these recordings can be conveniently transcribed into your notes for quick access. This flawless integration of features not only keeps you organized but also enhances your efficiency in all communications. By utilizing these advanced tools, you can ensure that your workflow remains smooth and your client interactions are always top-notch.

Voxbay is an innovative cloud-based platform that utilizes artificial intelligence to improve telephony and unified communication systems for businesses of all sizes. This comprehensive contact center solution boasts a variety of features, including multilevel IVR, predictive dialing, virtual phone numbers, call masking, conferencing options, live call monitoring and transfers, and call recording, along with effective lead and ticket management. Furthermore, it provides SMS and WhatsApp messaging capabilities, enhanced by AI-driven call routing. The platform seamlessly integrates with CRM systems like Zoho, ensuring automatic logging of all interactions, and offers access to virtual numbers across more than 65 countries globally. Users can take advantage of real-time dashboards that monitor agent performance, receive automated alerts, and incorporate social media, leading to a more cohesive communication approach. With an impressive uptime rate of 99.9%, robust security protocols, and the flexibility to scale with business requirements, Voxbay greatly elevates both inbound and outbound communication efforts while streamlining workflows and enhancing customer engagement through centralized management and insightful data analytics. This suite of features not only establishes Voxbay as a frontrunner in communication technology but also makes it an essential tool for any business looking to grow and thrive in today's competitive landscape. Companies that adopt Voxbay can expect to see significant improvements in their communication efficiency and overall operational effectiveness.

Incorporate voice, video, messaging, and more into your VoIP, web, and mobile services without needing to invest upfront or commit to long-term contracts, enabling payment that aligns with your growth. You gain the freedom to design your ideal solutions while easily handling both incoming and outgoing calls using Apidaze’s Voice APIs. There’s no need for complex phone infrastructures or contracts with large carriers, as Apidaze grants access to phone numbers in over 8,000 cities across 60 countries. Setting up straightforward IVRs is a breeze, allowing you to welcome callers with a greeting and route their calls according to the choices they make. With approximately 6 billion SMS messages dispatched daily in the US, the role of SMS as an essential communication tool for nurturing customer relationships has surged, highlighting its crucial role in contemporary communication strategies. This smooth integration empowers businesses to bolster customer interaction and optimize their communication workflows, ultimately leading to improved customer satisfaction and loyalty.