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
GroupMe Start a group, add your friends, and we’ll give you a free phone number for it. GroupMe is the easiest way to start conversations and keep in touch with your real life network. It's totally free, and it works on every phone
fring fring gives you FREE Video Calls, voice calls & chat to friends over 3G and WiFi (Video calls only on capable devices).
Communicate with friends in the fring network and other supported services: MSN Messenger, GTalk, Twitter, SIP, Yahoo!, AIM & ICQ
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
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)
Acrobits Softphone for Android Acrobits Softphone for Android is a reliable and highly customizable SIP Client for Android. It features status bar notifications, multitasking, Google Voice integration, and more.
Please note that Acrobits Softphone is a SIP Client, not a VoIP service. You must have service with a VoIP provider that supports use on a standard SIP client to use it
Freeje Freeje - it’s an application for cheap international calls from mobile phone which is great for tourists, people living abroad and people who need to call abroad
CSipSimple CSipSimple - This project will allow native sip for Android devices.
It relies on the pjsip sip stack and use the pjsip-jni project.
The use of this native library will ensure a better speed, call quality and less battery consumption than equivalent pure java projects
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
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
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)
