Saudi Express OPC70000 is an Android-based softphone that provides high-quality and secure voice communication at affordable rates. This SIP-based app is developed by Zahin Telecom LLC and can be used over WiFi, 3G, or GSM networks.

The app boasts exceptional voice quality, thanks to the latest advances in VOIP technology. It also supports DTMF and offers an easy-to-use contact book and call history. The screen displays your call history, call timer, and balance.

In addition to making cost-effective international calls, Saudi Express OPC70000 offers unique anti-block solutions and advanced echo cancellation. The app is compatible with VOIP switches supporting standard SIP and offers flexible integration with your phone book contacts.

Overall, Saudi Express OPC70000 is a reliable and secure communication solution that offers a simple and intuitive user interface. It is a free app that can help you save money on international calls.