Express cloudtalk is a mobile app for Android and other smartphones, offering a range of functionalities like VoIP Calls , cross-OS Instant Messaging and much more from data enabled mobile phones (3G/4G or WiFi).

Features:
★VoIP Calls via Wifi, 3G / 4G, edge or UMTS.
★Cross-platform Instant Messaging – an Android user can chat with an iPhone user or a Windows OS user can chat with a BlackBerry user. Offer unlimited mobile chatting and increase stickiness to your brand.
★Easy Sign Up with Mobile Number as user ID & automatic Buddy List creation with facility to invite phonebook contacts to install the app.