Smart CallBack - Smile. Talk to your friends for FREE or save up to 90% of your phone bill to any phone anywhere. Download the app and sign up at www.smartcalls.mobi. Just fill in your number and target number, we will connect you. No contract. Works anywhere in the world on both Wi-Fi and 3G. No high roaming charges. Bypass your current operator. Impeccable voice quality
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Supported operating systems:
Google Android 1.0, 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
Bria for Android Phones Bria for Android Phones - Bria is a powerful VoIP softphone for Android phones. It uses a 3G or WiFi connection to make and receive calls.
Bria offers superior audio quality with the included G.711, G.722, GSM, iLBC and SILK codecs
PhonIP Calls and Messages PhonIP Calls and Messages - PhonIP is an Android app to make free calls and send free messages over the Internet. It is provided with a user-friendly and intuitive interface. PhonIP is integrated with the SIP provider antisip.com * The PhonIP main features are : Free calls over Internet * Free messages over Internet. * Voice messages. Call to 123
YouMagic YouMagic provides free IP calls within a domestic network and cheap long-distance and international communication
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
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
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
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)
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
MO-Call Mobile VoIP on Android MO-Call Mobile VoIP on Android - MO-Call saves up to 95% on international mobile calls. MO-Call redirects your international calls to the Morodo network to avoid expensive calling rates. **FREE trial credit for Handango Store users** Enter the code HDGOPROMO when you register for the exclusive FREE CREDIT. U.S Dollar: $1.50 free credit
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Attention! Smart CallBack may be not compatible with your device Acer Liquid Jade Z S57 LTE