News of Note—T-Mobile's set-top box; Verizon's 5G for public safety; AT&T's Dallas smart city results and more

Here are the stories we're following today:

> Years after U.S. Cellular and Amdocs struggled through a massive billing system glitch the companies have inked a new agreement. Release

> T-Mobile is offering three lines of service for customers over the age of 55 for $90 per month. PhoneArena article

> Over 440 people used the interactive kiosk every month in Dallas that was part of that city's smart city test with AT&T. Release

> Native Network said it will use TV white space spectrum to offer wireless services in Montana and Washington via a partnership with Microsoft. Release

> T-Mobile is reportedly preparing to launch a "Global Plus" add-on international roaming service for customers. TMoNews article

> Verizon created a lab to test 5G technologies for public-safety users. Release

> The set-top box that T-Mobile will sell via its Layer3 TV acquisition appears to have been approved by the FCC. Variety article