Telegram has introduced voice calling feature in its popular messaging application. The feature is now live in the latest update released on iOS and Android, but is only available in Western Europe. The company has promised that it will soon be released in the rest of the world. Just like messages, Telegram uses end to end encryption for its voice calls, which can be confirmed by comparing the four emoji on screen, which act as a verification key and would be identical for both callers if the call is encrypted. Telegram uses a neural network to analyze your call metrics to...
Source: http://www.gsmarena.com/telegram_rolls_out_voice_calling_feature_in_western_europe-news-24289.php
