O2 VoIP - Internet calls
Free App
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About O2 VoIP - Internet calls
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.
All Application Badges
Free
downl.
downl.
Android
2.0+
2.0+
Bug
buster
buster
Android app
App History & Updates
What's Changed
- General bug fixes and enhancements
- General bug fixes and enhancements
Version update O2 VoIP - Internet calls was updated to version 3.15
Version update O2 VoIP - Internet calls was updated to version 3.13
Version update O2 VoIP - Internet calls was updated to version 3.09
More downloads O2 VoIP - Internet calls reached 5 000 - 10 000 downloads
What are users saying about O2 VoIP - Internet calls
R
by R####:
by R####:
I was able to make call very easily, very clear have called several countries and best of all No Ads.
M
by M####:
by M####:
It didnt say that i need a balance ? I cant contact the person who i want to call
Y
by Y####:
by Y####:
Hardly a problem! Works good! And cheap! Thanks
F
by F####:
by F####:
While I was trouble shooting a malfunction, I kept being bothered about a rating so here it is.
A
by A####:
by A####:
With out money not sure
Q
by Q####:
by Q####:
Good
J
by J####:
by J####:
جمب
Z
by Z####:
by Z####:
Is good
K
by K####:
by K####:
I was able to make call very easily, very clear have called several countries and best of all No Ads.
K
by K####:
by K####:
My first call didn't hang up and it used all my free .10. Skeptical on giving them my visa number!
C
by C####:
by C####:
I was able to make call very easily, very clear have called several countries and best of all No Ads.
C
by C####:
by C####:
My first call didn't hang up and it used all my free .10. Skeptical on giving them my visa number!
by R####:
Hardly a problem! Works good! And cheap! Thanks