NOT KNOWN FACTS ABOUT SPAM CALLS

another person online video called me yesterday 8/6/24 from my son's gmail , I assumed it had been him then I answered, nobody was there to answer, I hung up, then texted my son he claimed it wasn't him, will that be a way for scammers to go into my mobile phone and have my facts???? what must I do?I get spam each and every day, but delete it as sp