They called, i told my toddler it was her very best friend olaf, pressed 1 and then handed her the phone. She handed it back a few minutes after she talked their ears off. I'm sure they hung up pretty quick, so they missed her beautiful singing of In Summer.
Get an attorney and file a TCPA suit. Robo-calls to a cellphone are a violation of The Cellphone Protection Act, if you have not provided express written consent to the company that made the robo-call.