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Data Calling

You’ll have them at hello

It only takes seconds for people to decide if they
like a voice or not. Use our app to app phone
calling SDK to establish trust & build more
personal relationships with your customers.

  • Get to know your customers

    Our easy to set up and use app to app phone calling API can help you get a handle on metadata & know the identity & context of callers to help them get to a solution quicker, making the customer experience and data voice calling a breeze.

  • Provide real-time communication

    You’re in good hands, with over 250 million calls per month running through our app to app calling API, we know how to start personal conversations between you & your customers - it's a Sinch!

  • Get crystal clear quality

    For over 10 years we’ve gathered deep knowledge on WebRTC, & fine-tuned our VoIP services, to make it easier for you to enjoy HD quality voice calls via our app to phone calling API and SDK.

Side-by-side smartphones displaying a phone call between a taxi driver and a prospective passenger

Data Calling Pricing

Sign up to get started today!

  • Global coverage
  • Free test credit
  • Easy to use APIs & SDKs