Let it the call go to voicemail.  Left a message regarding time shares.  Apparently operating under the guise of a survey as that was also mentioned.  Tagged number as spam in google voice.

1/30/17; call received on answering machine #512 213 4929;  ID Unknown Name; caller called himself "Roger" of timeshares pro claiming to be an advocate against timeshares; requesting call back to complete form and be rewarded with free tickets for travel anywhere in the United States.  512 213 4929 is from Lockhart TX.  Call is very suspicious!  Filed complaint with Donotcall Registry.