Call.Net app for iPhone and iPad

Call.Net enables people to connect with their families, friends, and colleagues anywhere in the world at any time by leveraging cloud and VoIP technologies. We offer communication products and services handling voice, video, and chat that connect the future with the legacy by providing reliable service at an economical price.

For features:
Call landlines and mobiles for extremely low-rates around the world
Free app-to-app audio/video calling, instant messaging and media sharing
Subscribe to various packages, recharge and transfer mobile VoIP balance
Highly configurable and secure with TLS, SRTP protocols
Compatible with SIP Standard IGW