Oman Express OPC80008 is a mobile application for Android smartphones that allows users to make VoIP calls from their data-enabled mobile phones to any landline or mobile devices worldwide. Whether using Wi-Fi, 2G, 3G, or 4G networks, this app ensures smooth voice quality and offers features such as echo cancellation and low bandwidth usage.

With Oman Express OPC80008, users are prompted to enter the following information upon starting the app: the Operator Code, which can be obtained from their VoIP service provider, the User Name, and the Password. This ensures secure access to the VoIP service provided by their chosen service provider.

The app works seamlessly in all countries and across all networks, even in the presence of firewalls. This makes it a convenient and reliable option for users looking to make international calls at affordable rates.