Supported operating systems:
Google Android 1.6, Google Android 10.x, Google Android 2.0, Google Android 2.1, Google Android 2.2, Google Android 2.3, Google Android 3.0, Google Android 3.1, Google Android 3.2, Google Android 4.0, Google Android 4.1, Google Android 4.2, Google Android 4.3, Google Android 4.4, Google Android 5.x, Google Android 6.x, Google Android 7.x, Google Android 8.x, Google Android 9.x
EasyCallBack for Android EasyCallBack for Android - EasyCallBack allows you to make cheap international calls via 3G or WiFi from your mobile phone. Simply download the app, create an account, add some credit and start enjoying low-cost calls.
Calling someone is very easy. Start by entering the number you wish to dial. EasyCallBack will call you back and then will connect you to your destination
Zello: PTT Walkie Talkie Zello: PTT Walkie Talkie - turn your device into a portative tralkie. Create private rooms and talk to your friends. You can start signal search to find all users within the application touch area. Add friends to the list of contacts to see their online status
Skuku (Android) Skuku - Make and receive calls and SMS when abroad using your SIM card and cellular identity without roaming charges.
Notes:
Cannot be used for emergency calls.
Requires a Wi-Fi connection.
Using Skuku Roaming service requires root access
Yelo : Cheap Calls Worldwide Yelo : Cheap Calls Worldwide - Use the Yelo App to make cheap calls to anyone, anywhere in the world on their normal mobile or fixed landline numbers. No more shock phone bills!
Enjoy low rates up to 99% cheaper than your network operator and over 50% cheaper on average than other calling services including SkypeOut, Rebtel or Jajah
iTeLe SIP VoIP Dialer for ANDROID iTeLe SIP VoIP Dialer for ANDROID - **Register today and get $2 FREE Promotion for limited time** With iTeLe Dialer you gain extra freedom when you no longer depend on your PC to communicate on-line with your friends. Making mobile VoIP a reality and easy to use choosing between WIFI or 3G
Maaii: Free Calls & Messages Maaii: Free Calls & Messages - Maaii. Re-imaging the way friends connect.
Call & text; share funny audio effects, stickers, animations, music, videos, and more for free!
Want to reach non-Maaii users? Call mobile or landline phones in countries worldwide.
Need help? Reach us on Google+: https://plus.google
HiTalk Free International Call HiTalk Free International Call - Make and send FREE local and international phone calls and multimedia messages via HiTalk. Enjoy live walkie-talkie, photo, and a variety of fun stickers with friends.
HiTalk is equipped with unique technology that supports HD quality sound you never experienced in traditional calls with any carrier
netTALK App netTALK App - //The ALL NEW netTALK Smartphone App with Ultra Low-Cost International Calling!//
FREE calling over WiFi or 3G/4G to US/Canada and Ultra Low-Cost International Calling Capabilities, without using cell minutes. Buy TALK Credits to call worldwide at very low rates.
If you have poor cellular coverage at home, make calls worldwide over Wi-Fi
Bria for Android Phones Bria for Android Phones - Bria is a powerful VoIP softphone for Android phones. It uses a 3G or WiFi connection to make and receive calls.
Bria offers superior audio quality with the included G.711, G.722, GSM, iLBC and SILK codecs
Other Software by developer «Regis Montoya»:
AOSP Theme for CSipSimple AOSP Theme for CSipSimple - AOSP (android opensource project) theme for the CSipSimple application.
This theme is very special: it tries to get resources from the stock apps. If your ROM is one from a manufacturer that changes the opensource application this theme will not work at all.
If you are using a ROM based on the OpenSource project it will work