What are the solutions for adding calls and video calls to your application?

Question

Android

What are the libraries, SDKs, etc. Now, in October 2016, what is the most reasonable way to use to add such functionality to the application? What is cheaper and more functional, where is the best way to save traffic?

Answer 1

The cheapest way is to use ordinary phone calls, no libraries, you can call from your application through Intent, but they will be accepted in the standard "Phone" application, as usual, similarly in Viber, etc. ready-made applications, you can look for a suitable Activity, and some of them may have a full-fledged API.

Answer 2

WebRTC to help, lots of options
https://github.com/GleasonK/android-webrtc-tutorial
https://www.twilio.com/video
quickblox.com/developers/Sample-webrtc-android
https://webrtc.org /native-code/android/

Answer 3

swiss army knife