Duo Voice - Global WiFi Call 4.0.20

Duo Voice is a free calling app that provides high-quality international calling services for users around the world. With this app, you can make free calls to any phone number globally, without worrying about expensive bills.

Here are some key features of Duo Voice:

1. Free International Calling: Enjoy 100% free international phone calls to more than 230 countries or regions.
2. New User Bonus +500 Credits: When you sign up, you'll receive a bonus of 500 credits that can be used to make phone calls. You can also earn additional credits by watching videos, completing tasks, and inviting friends to join.
3. Wifi Calling: Duo Voice utilizes internet calling technology, allowing you to make calls over WiFi, 3G, 4G, or 5G networks.
4. Global Server Network: Our servers are located worldwide to ensure the best voice quality for your calls.
5. No Cell Minutes Required: Unlike traditional international calling cards, Duo Voice does not use your cell phone minutes.

Why Use Duo Voice:

• Free International Calling: Duo Voice enables you to make free calls to mobile and landline numbers in over 230 countries or regions with no additional charges.
• Clear & Stable Voice: Our app uses real telephone lines, ensuring crystal clear voice call quality similar to landline calls. It also automatically adjusts your connection speed for stable calls.
• Call Recording: Now you have the ability to record calls by simply tapping the recording button during the call. This feature allows you to conveniently capture important information.
• Call Conference: With Duo Voice, you can hold up to 8-way conference calls with minimal lag and excellent audio quality.
• High Quality Voice Call: Our voice calls are transmitted through a dedicated VOIP network, ensuring high-quality sound and eliminating concerns about drop calls or bad reception. The app always selects the best telephone line in your region for optimal voice quality.
• Earn Credits: There are numerous ways to earn credits within the app, including daily check-ins, inviting friends, and watching ads. These credits can be used to enjoy the best calling services with a simple tap.

If you have any suggestions or inquiries, please do not hesitate to contact us via email at [email protected].

Your privacy is important to us. For more information, please review our privacy policy here. To understand the terms of use, please read our terms and conditions here.