7/22 9:03  PDT Already 2nd unidentified caller today.  ID blank and 10 seconds of dead air on VM.

blocked call except for phone number.  dead air

Called me.  Dead air.  I hung up.  Blocked them.  Yay for call block on iPhone.

Report these scammers here:

By State DNC lists:
http://800notes.com/res/DoNotCall.aspx

Federal:
https://www.ftccomplaintassistant.gov/#&panel1-1
https://esupport.fcc.gov/ccmsforms/form1088.action
https://complaints.donotcall.gov/complaint/complaintcheck.aspx?panel=2
http://www.stopfraud.gov/report.html
http://www.fraud.org/

Only with enough complaints the government agency will step in to take actions against these scammers.

9/16 8:32 PDT  Need to get call blocker reinstalled.  Was on way out the door when this call came in.  No ID so let roll to voicemail.  Nothing but dead air for message.