Beckon / Made by Agora.io

Beckon is the best high quality free call app, allowing you to make international calls for free. One-and-one and group call are both supported with HD quality. It is the world 1st to use 32kHz super wide band IP call, 4 times of traditional phone calls.
Beckon seems like an ordinary free call app. But if you try to make a call via Beckon, right away you can feel how great the 32kHz voice quality is like.
Agora.io is the developer of Beckon. At Agora.io we make it easy to embed voice and video into mobile/desktop and web apps like Beckon with global reach and unparalleled quality of experience. Agora ensures quality of experience for Internet-based RTC and WebRTC communications through an optimized virtual network deployed across more than 100 data centers worldwide. The team has more than hundreds of millions of minutes call service per year and the official video technology partner for lots of popular companies.
If you are interested in getting SDK, please visit www.agora.io for more information or contact [email protected].
** World 1st 32kHz super HD voice quality, SDK available **
Our team has world A-list voice and video experts from Apple, Vidyo, Polycom, WebEx and etc. State-of-the-art acoustic algorithms (e.g., "Blind source separation" "Echo cancellation" "Noise suppression") are built-in to deliver a vivid high quality voice, feelings like you are next to me. This is perfect for friends and family members to talk with each other. If you travel abroad, on a business trip, or study abroad, Beckon would be your best free call app to stay connected with your family and friends.
** Group call with maximum 100 people, know and control call session, SDK available **
Beckon provides group call up to 100 people. But actually SDK can support at a maximum of 2,000 people in a single session. In a single session, you can easily know who’s speaking, who’s muting, who’s with bad network quality, who quit and who joined; at the same time, you can also mute yourself or others, send text messages and pictures, replay the last 4 seconds talk and etc.
** Service uptime is 99.999% with extremely low latency **
Agora.io is the developer of Beckon, which is the world 1st to have global virtual network and the early Real Time Cloud player with more than 100 data centers across continents. Agora solves the challenges of real-time performance across the Internet backbone, the difficulties of the "mobile last mile", and the media optimization required for specific devices. Service uptime is 99.999% and call set up rate is 99.9%, latency averagely within 400 ms.
** Embed voice and video SDK into e-health, e-learning, collaboration, social, gaming apps and make them "talk" **
Agora voice and video SDK can be embedded into mobile and web apps for e-health, e-learning, collaboration, social, gaming and etc so that you can easily have users "talk" to each other in those apps.
Any questions regarding Beckon or Agora voice and video SDK, please contact [email protected] or go to www.agora.io for more details.
Please check out our other apps demonstrating our video and streaming products:
Agora Video Call – Super HD video call, one-and-one and group call

Fix some problems and improve the call experience.