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
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
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!
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
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
Supernet Fast VPN Proxy Supernet Fast VPN Proxy - Supernet is the best VPN client to access any website from any country and protect your privacy. It’s free, unlimited, fast and easy-to-use
Jamisi Caller Jamisi Caller - Jamisi Caller: This Mobile dialer app lets you make cheap calls to national or international destinations. Even free call over 3G,4G and Wi-Fi network with other Jamisi network user. Save up to 60% on your mobile phone costs right away, by using the Jamisi Call now
Neatcall Neatcall- Do you spend valuable time coordinating meetings, phone calls or conferences with your colleagues? Neatcall has a neat solution for you! Neatcall finds for you the optimal time slot for any interaction you would like to do with your colleagues. Neatcall is an innovative dynamic scheduling and communication initiator application
Voip One Click Voip One Click is an Android app which allows users to make free encrypted VoIP calls. It uses the TLS protocol to encrypt the information call (caller id /called id), and the SRTP protocol to encrypt the audio communication.
Voip One Click enables users to dial and receive mobile voice calls which cannot be intercepted
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)