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Utilizing VoIP on your smartphone is regarded as the benefits to be gained by adopting the brand new mobile telephone technology. The VoIP industry has been showing good performance over the years. This is certainly not surprising, since in 2006 cell phone revenue totaled around $516 million, whilst this is estimated to have increased to over $33 billion in 2011. There are many reasons for this amazing increase in popularity and growth of VoIP. One is that utilizing the internet to make a phone call is certainly not only very convenient, and very cost effective. VoIP (voice-over internet protocol) telephony is a great best communications medium for mobile phone devices.