IMSDroid is the first fully featured open source SIP/IMS client for Android. It is also the only free Android SIP client which supports direct Video Calls.
3GPP IMS (IP Multimedia Subsystem) is the next generation network for delivering IP multimedia services. IMS is standardized by the 3rd Generation Partnership Project (3GPP). IMS services could be used over any type of network, such as 3GPP LTE, GPRS, Wireless LAN, CDMA2000 or fixed line.
The current version of IMSDroid partially implements GSMA Rich Communication Suite release 3 and The One Voice profile V1.0.0 (LTE/4G, also known as GSMA VoLTE) specifications.
Like it? Share with your friends!
Supported operating systems:
Google Android 1.5, 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:
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
Ventriloid Ventriloid is an open source Ventrilo 3.x client with a familiar UI. Ventriloid is based on the Ventrilo library for Linux created by the developers of Mangler.
I am in no way affiliated with Mangler, its developers, or Flagship Industries, Inc
Skype Skype - Skype-to-Skype calls over 3G or WiFi ? Call phones abroad at great Skype rates ? Instant message one or many friends at the same time - Data plan or WiFi connection required (calling in U.S - WiFi only) - Some handsets (e
MobileVOIP MobileVOIP - With MobileVoip you can make free* voip calls from your mobile phone. Make calls to any country you desire at the cheapest rates. MobileVoip is currently supported on iPhones, Android phones and Symbian phones. Simply download the free MobileVoip app from one uour APP market and register with one of the supported Voip brands
S-unno S-unno - With S-unno, you can make phone calls to any fixed or mobile number in more than 200 countries at absolutely low rates. Rates start from as low as US 2cents/minute. S-unno uses your 3G or WiFi connection to place these calls so that you can start saving now
Ozeki VoIP Service Checker Ozeki VoIP Service Checker - Ozeki VoIP Service Checker is an open source app which allows you to check the availability of VoIP services. The software can quickly verify if a given service exists, whether it can be reached from a particular network, and if the username and password to access that service are correct
Scydo Free Calls With Scydo you can call free from/to android AND iphone Scydo users!
KakaoTalk Messenger KakaoTalk is a phone number based messenger service that allows iPhone and android users anywhere in the world to chat one-to-on 8203;e or in a group for free
Cheap Calls - XonXar App Cheap Calls - XonXar App - Xonxar finds the cheapest rates amongst many VOIP providers and allows you to use them without subscribing with those.
Xonxar offers a simple user interface and the best price performance ratio.
Xonxar allows you to call or send sms from any point in the world and to any point in the world.
Use Xonxar at home, in the office or on the way
Other Software by developer «Dooubango»:
IMSDroid 1.2.366 IMSDroid 1.2.366 is the first fully featured open source SIP/IMS client for Android. It is also the only free Android SIP client which supports direct Video Calls.
3GPP IMS (IP Multimedia Subsystem) is the next generation network for delivering IP multimedia services. IMS is standardized by the 3rd Generation Partnership Project (3GPP)
IMSDroid IMSDroid is the first fully featured open source SIP/IMS client for Android. It is also the only free Android SIP client which supports direct Video Calls.
3GPP IMS (IP Multimedia Subsystem) is the next generation network for delivering IP multimedia services. IMS is standardized by the 3rd Generation Partnership Project (3GPP)