O2 VoIP - international internet calls
Make and receive calls on the Internet
No carrier minutes, no roaming, works without a SIM card
No connection fees, maintenance fees or any other hidden fees
Your contacts don't need to use the app, they can call you from any phone
O2 VoIP is the simplest and best app to make cheap internet calls.
O2 VoIP is based on CSipSimple and is licensed under GNU GPL v3. More information in the app.
Try it for free.
How to install O2 VoIP - Internet calls APK?
2. Click the download button to download O2 VoIP - Internet calls.Once the download completed,find O2 VoIP - Internet calls in your download folder or notification center and tap the icon to install the APK.
3. Find O2 VoIP - Internet calls icon in your home screen then tap the icon to open it.
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