iCallWorld is a Mobile VoIP dialer that enables you to make high-quality voice calls at a cheaper cost. It is an Android app that can be downloaded on devices with 3G/Edge/Wi-Fi Internet connectivity. The app is developed by Voizarabia Limited and is available for free.

iCallWorld is an ideal match for VoIP Providers who want to expand their customer base in a short time with its unmatched calling features. With iCallWorld, you can enjoy quality calls even in low bandwidth regions. The app boasts a presentable UI and supports G729, PCMU, PCMA codecs, and a SIP-based protocol for signaling. It also has a loudspeaker and real-time SIP status messages.

In addition, iCallWorld has an extensive call history, bypasses NAT or Private IP, and works well with all SIP standard switches. It ensures smooth voice by implementing a jitter buffer and reduces bandwidth usage by comfort noise generation and silent suppression methods. The app also has an auto-detection feature for contacts picked from the phonebook, address book sync, auto-balance sync, and hold.

Overall, iCallWorld is a smart app with endless benefits for VoIP call users, making it a great choice for those who want high-quality calls at a lower cost.