SaudiVoip is a mobile app designed for Android smartphones that allows its users to make VoIP calls from anywhere in the world. The app requires users to provide their SIP Username and Password for registration after installation. The app uses SIP-based protocol for signaling, which supports all SIP standard switches. The app runs behind NAT or private IP and provides an uninterrupted call connection even in low bandwidth areas.

The app has an elegant user interface and features crystal clear sound quality, making it an ideal choice for making cheap rate international calls. The app uses jitter buffer technology to ensure smooth voice during calls. The native contact book is integrated into the app, and the silent suppression and comfort noise generation feature reduces bandwidth usage. The app also displays the user's balance, SIP response message, and call duration. Users can mute the call, enable the speaker mode, view the keypad, increase and decrease the media volume and enable Bluetooth during a call.

In summary, SaudiVoip is a user-friendly app that provides a cheap and reliable way to make international calls with excellent voice quality, making it an ideal choice for those who need to make frequent international calls.