A patent filed in 2012 seems to suggest Microsoft could be bringing email-style 'flags' to their smartphones, making it easier to spot when a call is urgent... or when it's not necessary.
Is Windows Phone about to go big?
Digital Storm Vanquish II gaming PC
Which Android handsets would you like to see as Windows Phones?
A new report from a telecommunications data firm indicates Skype is rapidly growing - so much so that it now handles the equivalent of one-third of all international phone calls.
Google has added a new feature to the Hangouts section of Google+', letting users make phone calls to any cell phone or landline via the PC Hangout feature. Calls to the US or Canada are free.