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.
NewerTech Wireless Aluminum Keypad Review
NewerTech Wireless Aluminum Keypad
Office 2016 launching this year, touch apps coming soon
Microsoft reveals the next version of Windows 10
Introducing Windows 10 for phones
Hands on with HoloLens
Download: Windows 10 build 9926
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.