CallYou is a mobile application for smartphones that offers the below services on 2G, 3G, 4G and Wi-Fi:
- Unlimited free calls between subscribers
- Calls to international numbers at very low rates
- Incoming calls on DID numbers (Available DIDs in more than 54 countries)
- Voice compression to provide best voice quality on low bandwidth connections
- Tunnelling to bypass blockages and firewalls (Anti-block solution)
- International mobile top-up service
- SMS service