VoIP on iPhone is nothing new; there are still lot of Apps and more to come. But when VoIP goes on iPhone 4s it definitely gets better. Better because the new one comes with much advance hardware which totally changes your VoIP experience. In terms of processing iPhone 4S integrated with A5 chip and Dual-core 1 GHz Cortex-A9 CPU which increases the capacity of processing so that you can install any new VoIP apps and run it without experiencing any lag. There are 512 MB of RAM that coordinates very well with processor.
Beside games you can also find many HD applications which technically and look wise much better than regular apps. There are lots of HD games from famous developers and manufacturers like EA, Game loft and others. So, to provide best graphical experience iPhone 4s comes with GPU PowerVR SGX543MP2. In addition, 330 PPI densities with 640 x 960 pixels make 3.5 inch screen looks amazing.
All the above factors are benefits but basic requirement of making VoIP calls is connectivity. So, iPhone 4s comes with 2G and 3G where data transfer is HSDPA, 14.4 Mbps; HSUPA, 5.8 Mbps. There is also Wi-Fi 802.11 b/g/n, Wi-Fi hotspot and A-GPS support and GLONASS.
Checkout some useful VoIP Apps for iPhone 4s
Viber: The best part about this App is that you can use it without any registration. Just download, install and start calling. For free unlimited calls just call another Viber user else pay for your calls… more
iCall: Use this VoIP App to make free calls to USA and Canada… more about iCall Free VoIP
TruePhone: On this App you can add Skype and Gtalk so you can make free VoIP calls similar like TruePhone to TruePhone free calls. more
Fring: Fring is simply the best for voice as well as video chat. Beside 3G and Wifi, more or less it works on 2G (GPRS Networks) better than other VoIP Apps. more
Skype: Skype got quality and most importantly popularity. more
CONCLUSION: These days smartphone experiencing lots of completion which result to too much updates and development, you won’t even realize and your apps are out dated and the updated one might not work that good because it made to work on latest models. So don’t go for cheap Smartphones because it has low hardware configuration which let you regret.
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