Best International Calling Apps for Microsoft Bot Framework

Compare the Top International Calling Apps that integrate with Microsoft Bot Framework as of September 2025

This a list of International Calling apps that integrate with Microsoft Bot Framework. Use the filters on the left to add additional filters for products that have integrations with Microsoft Bot Framework. View the products that work with Microsoft Bot Framework in the table below.

What are International Calling Apps for Microsoft Bot Framework?

International calling apps enable users to make international calls using an app on their smartphone or computer. International calling apps typically offer free calls to other app users or low-cost international calling around the world to regular phone lines. Compare and read user reviews of the best International Calling apps for Microsoft Bot Framework currently available using the table below. This list is updated regularly.

  • 1
    Skype

    Skype

    Microsoft

    Professional online meetings built for business. Easy to set up and join · Powerful collaboration tools. Made by Microsoft. With one click, anyone can join your online meeting, from any device. You can choose to meet right away, or schedule from Outlook for later. The meeting URL is personalized just for you. Record meetings, share your screen, and annotate PowerPoint for real-time collaboration with up to 250 people. Use whiteboard, polls, Q&A, and built-in IM during your business meetings to make them more productive. Expertly manage your online meetings with advanced calling options, like muting one or all participants and transferring presenter control. Trust in business-quality meetings with encrypted video and audio streams, and 24/7 phone support when needed. Enjoy industry-leading HD video for online meetings that feel top quality and trustworthy. Focus more on the people in your call, with added features like automatic cropping and head tracking.
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    Starting Price: $5.00 per user per month
  • 2
    WhatsApp
    Simple. Secure. Reliable messaging. With WhatsApp, you'll get fast, simple, secure messaging and calling for free*, available on phones all over the world. WhatsApp Business is a free to download app that built with the small business owner in mind. Create a catalog to showcase your products and services. Connect with your customers easily by using tools to automate, sort and quickly respond to messages. WhatsApp can also help medium and large businesses provide customer support and deliver important notifications to customers. Learn more about WhatsApp Business API. Some of your most personal moments are shared on WhatsApp, which is why we built end-to-end encryption into the latest versions of our app. When end-to-end encrypted, your messages and calls are secured so only you and the person you're communicating with can read or listen to them, and nobody in between, not even WhatsApp.
  • 3
    Facebook Messenger
    Turn conversation into customer loyalty with Messenger. Messenger helps you simplify customer acquisition by providing a direct, conversational way for people to take action where they already spend their time. Building a presence on Messenger allows people to browse your products and services, and purchase them directly in the conversation. Building an experience on Messenger can help get your business, product or service in front of more people. Whether you’re launching a new product or driving awareness, conversation creates a meaningful connection with your business. Integrating Messenger into a customer service strategy allows customers to communicate with your business on their terms. No more waiting on hold or keeping website windows open. And the conversation stays in Messenger, an easily accessible spot for questions and re-engagement.
  • 4
    LINE

    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.
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