InfoPath Dev

In SP lists 2016, we're using a phone number field as a unique identifier.   When creating the phone number column, we've selected yes for "Enforce Unique Values"  We're using a form built in InfoPath 2013.  When a item is submitted that is a duplicate phone number, I'd like to customize the ...

I'm using InfoPath to create a tool to track recruiting activity.  When hiring managers identify a new recruit they will submit master information about the recruit such as name and phone number.  Anytime a recruit is called, emailed, or sent a text, they will log that detailed information. I'm using a InfoPath Filler 2013 ...