Best Unified Communications Software for PubNub

RingCentral RingEX, a powerful cloud-based telephone system, helps optimize your business communication. RingCentral RingEX provides enterprise-grade communication tools, including voice, fax and text, as well as BYOD (bring your own device) capability. This allows you to work wherever and however you choose. RingCentral RingEX's core features include auto-recording and conferencing as well as unlimited long-distance calling and local calls. RingCentral RingEX can be customized to suit your needs by configuring call management features such as call forwarding, message alerts and missed-call notifications.

ClickSend offers SMS, MMS, Voice, Online Mail, Email and Fax software for businesses. Our communications and messaging tools are simple to use, automate and integrate. That’s why they’re used by some of the most trusted brands, organisations and developers globally. Built for all, you can access ClickSend via our Dashboard, mobile app, flexible API or 900+ integrations. Plus, ClickSend offers helpful 24/7 support, and lightning fast delivery via a secure and reliable platform. From SMS marketing and alerts to bulk mailouts sent from your browser, join over 90,000+ businesses sending communications around the world. Our 100% uptime guarantee and lightning fast direct routes provide reliable messaging, no matter the channel. From small businesses to enterprise, ClickSend powers billions of messages around the world with 232+ direct carrier connections. Plus, ClickSend is always pay-as-you-go. That’s why ClickSend is business communications, solved.

Slack, a cloud-based project collaboration software solution that facilitates communication between teams, is designed to seamlessly integrate with other organizations. Slack offers powerful tools and services all integrated into one platform. It provides private channels for interaction within smaller teams, direct channels for sending messages to colleagues, as well as public channels that allow members to start conversations across organizations. Slack is available on Mac, Windows and Android as well as iOS apps. It offers a variety of features including chat, file sharing and collaboration, real-time notifications and two-way audio/video, screen sharing, document imaging and activity tracking and logging.

Vonage Business is a top cloud communications platform for all industries and sizes. Vonage Business provides all the communication requirements of businesses looking to succeed. It offers more than 40 business-critical features and mobility. It also integrates with top cloud applications. Vonage is trusted by more than 500,000 business users and comes in a variety of plans and packages to meet different business needs.