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:
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
YunGO - Cheap International Calls YunGO - Cheap International Calls - YunGO will give you a possibility to do very cheap international calls worldwide. Check quality of service yourself with $0.5 initial balance, before you top up your account. Beside cheap calls you will have a lot of features in one place
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
Zadarma Zadarma - To use IP-telephony(VoIP) service from Zadarma project by mobile phone all that you need is quite good Internet access quality
aSip aSip (formerly known as SipPhone) is first native SIP/VoIP application. All calls are made directly to the SIP provider, no middle-man like customized proxy involved, so no voice delay and call quality is excellent
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
netTALK App netTALK App - //The ALL NEW netTALK Smartphone App with Ultra Low-Cost International Calling!//
FREE calling over WiFi or 3G/4G to US/Canada and Ultra Low-Cost International Calling Capabilities, without using cell minutes. Buy TALK Credits to call worldwide at very low rates.
If you have poor cellular coverage at home, make calls worldwide over Wi-Fi
AstraChat - Direct XMPP & VOIP Client AstraChat - Direct XMPP & VOIP Client - AstraChat is a standalone and lightweight Jabber (XMPP) client application with VOIP calling that connects directly to your XMPP server without any proxies in-between.
AstraChat is always connected to your XMPP server in the background and provides you with immediate push notifications of new messages
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
FriendCaller for Android FriendCaller for Android - Turn your Android device into a complete Voice over IP (VoIP) phone, make Voice calls to over 400 global networks and FREE Video Calls online, hence saving big on your monthly cellular bills
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)