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
Similar Software:
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
Scydo Free Calls With Scydo you can call free from/to android AND iphone Scydo users!
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
Skype (Android) Skype - With the Skype app, you can make free Skype-to-Skype calls, and send and receive IMs for free, one-to-one or with a group. You can also call phones at Skype’s great rates – over WiFi or 3G.
To make calls to phones abroad, simply dial the number in Skype and pay with Skype Credit – or make unlimited calls with a subscription
Mobile VOIP Mobile VOIP - Cheap calls using MobileVOIP over 3G or Wifi!
Call for free: The MobileVOIP dialer lets you make cheap calls to national or international destinations
Linphone Video Linphone is an open source internet SIP phone or Voice Over IP phone (VoIP) WIFI/3G, with video calls support for ARMv7 phones. Main features: -Audio with the following codecs: speex (narrow band and wideband), iLBC, G711, GSM -Video with mpeg4 and H264 codecs (ARMv7 only)
BigTinCan (Android) BigTinCan delivers VoIP calling rates on your mobile on your normal cell network - and flat rate domestic and international SMS and MMS services
Nymgo The lowest price high quality phone calls from your Android phone to any mobile or landline in the world
toolani global toolani global - No matter if you’re staying home or abroad, with toolani wifi you’re calling from as low as 1 cent per minute – with no roaming charges at all! toolani wifi works with state-of-the-art web 2.0 technology and provides best call quality to over 230 countries
Zadarma Zadarma - To use IP-telephony(VoIP) service from Zadarma project by mobile phone all that you need is quite good Internet access quality
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