Bogus solar company spoofing caller ID number

Interactive robocall from "Gail Collins" about Alzheimer's disease. Presumably a fundraising call, but I hung up before the bot got to that. Caller ID said "Complant Systm"

Scammer

Recieved call with ID Compliant System-no message on VM

called the house and left no message  04/11/2017   at  5:37 pm
Reading others comments also from Number Guru stated GrassRoots and another Donation requests
Consider these calls Scam/Fraud    and do not answer callers which I do not recognize or have no idea who Compliant Systm is (companies)