Twilio - Brings voice and messaging to your web and mobile applications.
Zoom - Equip your team with tools designed to collaborate, connect, and engage with teammates and customers, no matter where you’re located, all in one platform.
Plivo - Plivo simplifies your customer engagement.
WebEx - Cisco WebEx Web Conferencing, Online Meetings, Desktop Sharing, Video Conferencing
SightCall - SightCall offers comprehensive real-time video APIs and Mobile SDKs that makes it simple to embed...
Skype - Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.