NOT KNOWN DETAILS ABOUT SPAM CALL

anyone video called me yesterday 8/6/24 from my son's gmail , I assumed it absolutely was him then I answered, no person was there to answer, I hung up, then texted my son he reported it was not him, will that be a method for scammers to go into my cellphone and get my information???? what must I do?What to be aware of when you're looking to get a