Using voip technology works on all internet networks such as Wifi, 2G / 3G / 4G ...
Features & Specifications:
- Do not run in the background and still receive calls.
- Use at all times regardless of country or geography.
- Compatible on all device platforms.
- Easy to use with QR code or just enter username / password of the extension.
- Supports almost all audio and video standards according to current standards.
- Authorize interrogation, interrogation, call procession ...
- Listen to the recording file on the switchboard again, do not take up space on the phone.
- Call out / Receive calls on multiple numbers (depending on service plan).
And many other advanced features, please see more on the website https://vfone.vn/