Call back gets, "Thank you for calling.........(can't understand this part). Our company raises money for many worthy charities.." So it's a telemarketer turned charity collector. These for-profit (huge profits) companies make money by keeping the lions share of what they collect. Here's some information on charity telemarketing:
https://www.thebalance.com/prevent-charity-telemarketer-scams-2501916
https://nonprofitquarterly.org/2013/06/07/ame ... -telemarketers/