Legitimate companies do not use spoofed phone numbers, even if they outsource their call centers to places like India. This has nothing to do with outsourcing. It's a phishing scam/spoofing attack originating from another country, not a legitimate business. In fact, fake home security telemarketers are one of the top scams reported every year, right up there with fake computer security scammers and phony "lower your interest rate" scams.
Called my cell. I did not answer. They left no message. Online research shows it's a scammer. The number doesn't exist and has been spoofed for fraudulent purposes.