A free international call service with no international call charges OTO is a great application that provides internaional calls from KOREA. OTO lets you make international calls based on Korean telecommunication company (SK/KT/LGT)
toolani global - No matter if you’re staying home or abroad, with toolani wifi you’re calling from as low as 1 cent per minute – with no roaming charges at all! toolani wifi works with state-of-the-art web 2.0 technology and provides best call quality to over 230 countries
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
ClearSea - mobile video calls - Professional Videoconferencing on 3G/4G/WiFi connecting to other ClearSea PC/Mac/mobile and any standard H.323/SIP device (Tandberg[tm],etc).Devices:- HTC EVO, Desire, HD, Incredible- Samsung Epic, Galaxy S, Galaxy Tab, Captivate, Fascinate, Vibrant- more soonSignup for a demo account or use your own ClearSea server
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
3CXPhone (Android) is a free VoIP Softphone that works with SIP based IP PBXs such as 3CX or Asterisk and popular VoIP providers. 3CXPhone is not locked to a particular provider so you can switch easily.
What's New in This Release:
· includes support for tablets and has more intuitive in/out of office icon
What's New in 1.3
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
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)
