Verizon Wireless and AT&T have announced that they are working on enabling Voice over LTE (VoLTE) connections between the Verizon Wireless and AT&T networks. VoLTE provides enhanced calling features and call quality for users of compatible handsets such as the iPhone 6 and iPhone 6 Plus, but traditionally such enhanced features have been limited to users on each carrier’s own network, effectively dropping down to the more basic standard…