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.
Amazon Echo Review: "Alexa, why are you so cool and frustrating at the same time?"
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Windows 10 for phones news
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The YotaPhone 2 is probably the most interesting phone since the iPhone 3G - Review
All the news from Mobile World Conference 2015
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.