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Mobile VoIP

Enrich your app with Mobile VoIP from Sinch

Use the Sinch SDK to power the VoIP calling in your mobile app with our SDK for iOS, Android, and JavaScript. All your users need is an internet connection using WiFi or the cellular data network (2G/3G/4G).
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Add voice calling to your app in minutes with Mobile VoIP. The Sinch SDK, available for iOS, Android and JavaScript, takes care of app communications so you can focus on building a fantastic app for your users


Using Mobile VoIP, your app can call across the world for a fraction of the cost of regular, traditional phone networks

Crisp HD Quality

Using the OPUS Codec and voice over IP, Sinch offers super high quality calling as standard, with data optimized routing to give higher audio quality than traditional phone calls

sinch mobile voip

Why chose Sinch Mobile VoIP?

simple to use mobile sdk


Built with simplicity in mind, the Sinch SDKs for iOS, Android, and Javascript are easy to use, with superior documentation for developers and product owners

global reach


Sinch powers 1 million calls per day. With our own dedicated team of engineers and developers, we provide 99.95% uptime and 24/7 monitoring and maintenance

proven technology


Sinch has connected 4.5 billion calls across 229 countries in crisp HD quality. Sinch uses tier-1 carriers and data-optimized routing to give your voice calling feature the quality it deserves.

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When you’re ready to get started with our mobile VoIP service, sign up for a free account; no credit card needed.
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