The Sinch SDK for iOS lets developers add voice calling and instant messaging capabilities to their iOS based mobile apps. The SDK handles signaling and audio management. In addition it offers support for:
App to app calling
App to phone calling
Instant messaging to single and multiple recipient
In a press release on 11 March 2013, Message Bus announced that its Message Bus Platform is now available for integration via Zapier's drag and drop API integration capabilities. This is exciting news for anyone trying to create efficient integrations and workflows that make sense for business but don't come with the associated efforts, long lead times and costs that custom API work entails.
WebRTC makes it possible for anyone to create video and voice on the browser. But as cool as the new Web protocol is, it’s not always easy to work with. Building a full fledge video app requires complex and esoteric coding. You need other elements as well. For example, signaling to make the phone ring and authentication.