Onebox Alternatives

Google Voice gives you one number for all your phones, voicemail organized in an email format, free...

8x8's VoIP business phone systems deliver affordable, cloud-based voice, video, messaging, and call center solutions, helping you serve customers anytime, anywhere.

Free and secure calls and messages to anyone, anywhere. Keep your conversations going no matter where you are.

RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies

freemium $19.99 / Monthly (All-in-One Phone, Team Messaging, and Video Conferencing.)

UberConference provides a rich visual interface for conference calls. Simple, visual, and free to use, it's audio conferencing done right.

Wireless business phone system built for sales and support team.

Secure and flexible cloud phone services and unified communications.

Jabber.org is an IM service based on XMPP and one of the key nodes on the XMPP network.

Click a button to start a free video call

Twilio’s Voice API extends your app’s communications to add flexible call center features, soft phones, call tracking, interactive voice response (IVR) menus and more.

CXone is a fully-integrated and open cloud contact center platform combining the industry’s leading Omnichannel Routing with the foremost technologies in Workforce Optimization, Analytics, Automation and Artificial Intelligence.

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