Who called from 5615023516

Received a call and did not answer.
I tried to call back but I get no ring nor busy tones. Just simply silent until it disconnects.

"Llc_S" on caller ID. Recorded message stating something about a full service naked something...

Recorded message, company trying to sell Web SEO services in South Florida area.  SP SEO L on the ID, the name was Naked SEO or something like that.

Telemarketer solicitation my business for web services.

I got a call from 561-502-3516 on May 26, 2015 at 3:58 pm.  I answered the call and got a recorded message about a marketing firm called Naked Digital.  My caller ID said, "SP SEO L."  I have been on the Do Not Call list for ten years.  I have a Telezapper, but it did not interrupt the call.  I reported the call on donotcall.gov.