Almost certainly not a scam. If it’s a scam, they will be asking for your bank details, date of birth, address or other personal details or get to to phone a premium rate phone number. Your call, as specified, did not do any of these.
Tudor
There are 10 types of people: those who understand binary and those who don't and F people out of 10 who do not understand hexadecimal c1a2a285948293859940d9a49385a2