Best Telephony Software for Slack

Find and compare the best Telephony software for Slack in 2026

Use the comparison tool below to compare the top Telephony software for Slack on the market. You can filter results by user reviews, pricing, features, platform, region, support options, integrations, and more.

  • 1
    CallTools Reviews
    Top Pick
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    CallTools offers a powerful cloud-based telephony solution designed for clarity, speed, and scalability. This system guarantees high-quality audio and dependable connections for both incoming and outgoing calls. Its integrated features, such as IVR, intelligent call routing, and sophisticated queue management, help keep teams organized and enhance overall efficiency. Agents can easily initiate calls with a click, transfer calls seamlessly, manage voicemail, and juggle multiple interactions through a single platform. For managers, real-time monitoring, whispering, and barge-in functionalities allow for effective support and oversight of team performance. With adaptable caller ID options and comprehensive number management features, CallTools optimizes contact strategies and boosts answer rates. This telephony system is specifically designed to eliminate the necessity for on-site hardware, providing the power and flexibility that contemporary call centers require.
  • 2
    Kixie PowerCall & SMS Reviews
    Top Pick
    Kixie: Smarter Calling & Texting for Revenue Teams Kixie is the AI-powered sales engagement platform that helps teams connect faster, close more deals, and scale effortlessly—all while keeping it personal. 🔥 Outbound Sales: Boost connection rates up to 400% with AI-powered Local Presence, Multi-Line PowerDialer, and Spam Risk Prevention. 🚀 Marketing: Automate calls & texts for instant follow-ups and high-converting outreach—without the manual work. 📞 Inbound Sales & CS: Handle more calls with smart CRM-based routing, shared SMS inboxes, and instant auto-replies. 📊 RevOps & Leadership: Get AI-driven insights, real-time coaching tools, and advanced analytics to level up your team. 💥 Supercharge your sales team today! Visit our website to get started for free, no credit card required.
  • 3
    Zoom Phone Reviews
    Top Pick

    Zoom Phone

    Zoom Communications

    $14.99 per user per month
    22 Ratings
    The cloud phone solution is natively designed for the Zoom platform. Modern user interface and enterprise-class features to simplify voice communications. Zoom administrator portal allows you to manage and provision users, as well as monitor call quality and usage. Globally distributed Zoom cloud platform provides secure HD Voice with enterprise-class reliability. You can easily make and receive calls, share content and participate in video meetings. You can also send chat messages using Zoom desktop or mobile apps. You can easily elevate phone calls to Zoom Meetings without having to ask participants to hang up or dial in to a separate conference bridge. Native apps for Windows, MacOS and Android are easy to use and maximize voice and video quality. There is an ever-growing number of countries that provide local phone numbers. Customers who want to simplify global telephony carrier management can port numbers to Zoom.
  • 4
    Zadarma Reviews
    Top Pick
    Smart VoIP Solution for Teams of Any Size Zadarma replaces traditional phone systems with a cloud-based platform that’s easy to configure and use. Whether you’re a freelancer, small business, or global enterprise — Zadarma scales with your needs. What you get: - Local, mobile, and toll-free numbers worldwide - Virtual PBX with call queues, voice menus, call recording - AI Voice Agent and AI-speech recognition and analytics - Connect multiple offices and remote employees - Affordable call rates and flexible pricing plans - Real-time call statistics and recording storage - Support for IP phones, softphones, and browsers No hardware needed — just connect your team and start calling.
  • 5
    CallHippo Reviews

    CallHippo

    CallHippo

    $18.00/month/user
    3 Ratings
    CallHippo is a modern Contact Center Tool that allows you to connect with customers. CallHippo is simple to use and offers robust functionality with extensive reporting and seamless integrations that enable sales and service teams have productive conversations with customers. CallHippo is trusted worldwide by more than 5000 companies.
  • 6
    Aircall Reviews

    Aircall

    Aircall

    $30/user/month
    2 Ratings
    Aircall transforms business communications with an intelligent, cloud-based phone system built for modern sales and customer support. More than just a calling tool, it provides an all-in-one hub that connects phone, SMS, and WhatsApp conversations in a single platform. Its AI Assist Pro feature delivers real-time coaching during calls and simplifies follow-up, enabling reps to sell smarter and resolve support issues faster. Teams can leverage advanced capabilities like call routing, IVR, analytics dashboards, and power dialers to maximize efficiency. With integrations across Salesforce, HubSpot, Zendesk, Intercom, Shopify, and 100+ other apps, Aircall seamlessly fits into existing workflows. Businesses benefit from reliable call quality, international number coverage, and scalable features that grow with their needs. Customer stories highlight improvements such as a 4% increase in CSAT scores and the ability to process 25,000+ calls per month with stability and ease. Aircall makes customer conversations more personal, productive, and impactful—without the complexity of traditional systems.
  • 7
    Talkdesk Reviews

    Talkdesk

    Talkdesk

    $85 per month
    2 Ratings
    Craft a seamless and efficient customer journey that spans multiple channels without any hassle. Discover our AI-driven, automation-first solutions designed for everyday use. Annually, we introduce numerous new features, solutions, and integrations to ensure our platform remains at the forefront of customer experience technology and emerging trends. Our focus on automation enhances vital customer service processes through the power of Talkdesk AI. But don’t just take our word for it; explore testimonials in various formats showing how our clients successfully satisfy their own customers. Transform your customer service operations with CX Cloud, a comprehensive suite of enterprise-grade, integrated applications designed for customer self-service, omnichannel interaction, workforce engagement, employee collaboration, and analytics – all within a single cloud-native environment. Impress your agents with a user-friendly interface and enhance your contact center's flexibility by effortlessly adjusting every component of CX Cloud, from IVR routing protocols to the agent interface. With these tools, you can ensure a consistently exceptional experience for both your team and your customers.
  • 8
    NUACOM Reviews

    NUACOM

    NUACOM

    €9.99 per month
    1 Rating
    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.
  • 9
    JustCall Reviews

    JustCall

    JustCall.io

    $30 per user per month
    1 Rating
    Remote teams can use the cloud phone system. JustCall provides a phone system that works from any device, anytime, anywhere for sales and support teams. It takes only seconds to obtain phone numbers in 70 different countries and make or receive calls. In minutes, you can set up your own cloud phone system. JustCall is the fastest and easiest way to manage your phone service. Learn how JustCall is used by companies to handle phone calls. Increase sales and conversions by enhancing agents' capabilities. Get rid of the hassles associated with manual dialing and data logging. You can increase sales call volume and productivity by up to 300% You can deliver a seamless customer experience with IVR and Smart Call Routing, as well as Live Call Monitoring. With SMS Bots and a variety of features, you can offer your clients responsive, 24-hour support. Automated integrations can be used across many business tools and applications. CRM, Helpdesk, and other software automation tools can be used to create smooth workflows for support and sales teams.
  • 10
    DialMyCalls Reviews

    DialMyCalls

    OnTimeTelecom

    $7.49 per month
    1 Rating
    Effortlessly dispatch bulk text messages, automated phone calls, and emails to your entire contact list within moments. Begin your journey today by signing up for a free account! Our mass notification platform enables you to initiate automated phone calls to a designated list of numbers in just seconds. We simplify the process of creating, scheduling, and delivering your automated phone call to all your contacts simultaneously. Instantly and conveniently transmit mass text messages to an extensive list of phone numbers with our notification service. DialMyCalls provides options for both long code and short code text messaging, ensuring you can connect with your audience right away! With our complimentary bulk email feature, recipients can either listen to your recorded message or view your text via email. By adding email addresses to your contact list, you will be fully equipped to send out your mass notification! The mass notification solution from DialMyCalls is readily available on your preferred mobile device, allowing you to download the app and send notifications from virtually anywhere, ensuring you stay connected on the go.
  • 11
    Retreaver Reviews

    Retreaver

    Retreaver

    $1.00/month/user
    Retreaver, a cloud-based call centre solution, tracks, tags and routes calls to specific departments or agents. We help marketers, agencies, and brands analyze inbound calls, manage caller profiles and dynamically route calls. We also track conversions, analyze ROI, and generate reports. You can personalize customer experiences, reduce call times, and improve customer satisfaction by leveraging powerful CRM databases and real-time tracking. Retreaver allows you to create your own call data properties using custom tags. These tags are associated with a number or a phone call, giving you greater control over your campaigns. We can pass these savings to you by optimizing our operating expenses. We do not have any monthly contracts and offer competitive pricing for our clients. Contact us for a quote.
  • 12
    Toky Reviews

    Toky

    Toky Inc.

    $20.00/month/user
    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.
  • 13
    VXT Reviews

    VXT

    VXT

    $52.50 per user per month
    Increase your efficiency by capturing an additional 40% of time through automatic time entries and post-call notes for each client interaction. Secure more placements and reduce the risk of disputes by automatically saving every conversation with candidates in your CRM and ATS. Streamline compliance and mitigate risks by recording your calls, allowing you to dedicate more time to client assistance. VXT provides adaptable solutions tailored for businesses prioritizing customer satisfaction. With VXT voicemail, you can create intelligent greetings for all your contacts, enhancing their experience with personalized messages. This cloud-based voicemail software allows you to access your messages from any device, anywhere. Additionally, you can record calls just like regular phone conversations, and these recordings can be transcribed directly into your notes for easy reference. This seamless integration of features ensures you stay organized and efficient in your communications.
  • 14
    Voxbay Reviews
    Voxbay is a cloud-based platform that leverages AI to enhance telephony and unified communications for businesses, regardless of their size. This all-encompassing contact center solution includes features such as multilevel IVR, predictive dialing, virtual phone numbers, call masking, conferencing capabilities, live call monitoring and transfers, call recording, as well as management for leads and tickets. In addition, it offers SMS and WhatsApp messaging functions, paired with AI-driven routing for calls. The platform effortlessly connects with CRM systems like Zoho, ensuring that all interactions are logged automatically, and it provides access to virtual numbers in over 65 countries worldwide. Users benefit from real-time dashboards that track agent performance, receive automated notifications, and can integrate social media for a more holistic communication strategy. With an impressive uptime of 99.9%, strong security measures, and the ability to scale according to business needs, Voxbay significantly enhances both inbound and outbound communications while optimizing workflows and improving customer engagement through centralized management and intelligent data analytics. This combination of features positions Voxbay as a leader in the communication technology space, making it an invaluable asset for any growing business.
  • 15
    Apidaze Reviews
    Incorporate real-time voice, video, messaging, and additional features into your VoIP, web, and mobile applications without any upfront capital expenditures, contracts, or long-term commitments; simply pay as you expand and enjoy complete creative freedom. Apidaze’s Voice APIs facilitate seamless handling of both inbound and outbound calls, eliminating the need for cumbersome phone systems or extensive agreements with major carriers. With access to phone numbers spanning over 8,000 cities across 60 countries, Apidaze empowers you to craft straightforward interactive voice responses without relying on traditional phone infrastructure. You can set up a welcoming message for callers and direct their calls based on their selections, enhancing customer experience. Moreover, considering that 6 billion SMS messages are sent daily in the US, text messaging has rapidly become a vital channel for maintaining connections with your clientele. This versatility ensures that businesses can engage with their customers effectively and efficiently across various platforms.
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