Crossword puzzle clue "tower you might call from a cell phone"

Tower you might call from a cell phone

Start a cell phone call

What a call might come in on while you're on the phone

It might be saved on a cell phone

Phone call telling you to pay the IRS immediately or you'll be thrown in jail, e.g.

Surreptitious charge from a cell phone provider, perhaps...or what you can find seven times in this puzzle's completed grid?

Cell phone app that allows you to catch creatures in the real world: 2 wds.

You might rate them on their route and they might rate you on you vomited everywhere