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:
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
wowocall inernatinal calls voip dialer wowocall inernatinal calls voip dialer - wowocall international internatinal mobile dialer,which can make this app be adaptive to wifi and 3G, so cost less traffic.
It is support called for 200 countries around the world countries, the quality excellent low price. On the www.wowocall.com website you can add credit
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
Newik Premium Voice + DIDs Newik Premium Voice + DIDs - FREE Calls to India mobile and landline
FREE Calls to USA mobile and landline
FREE Calls to UK landline
Premium Voice with Caller ID
Show your mobile number when you call, so people know it's you
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
TeamSpeak 3 for Android TeamSpeak 3 for Android - TeamSpeak is a cross-platform VoIP software, operating under a client-server architecture, that allows you to enjoy voice group chats with other users in real-time
Zadarma Zadarma - To use IP-telephony(VoIP) service from Zadarma project by mobile phone all that you need is quite good Internet access quality
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
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
Other Software by developer «Dooubango»:
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)
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)