So am I, but I still get these types of calls. They always find a way around it.

It's not hard to find away around the DNC.   It is only a "List"  of numbers.  Nothing mechanical or blocking about it.  It doesn't stop a thing.   Nobody is going to intercept any calls.   It is Just a list that is purchased and used to update the do not call files of legitimate Telemarketing businesses.  So anyone who thinks that once they are on the list they have immunity against any and all unwanted callers are in for a surprise.  There is no immunity or physical protection.  It is just a list.....

Call came when I was on another call.  But the caller id said Research Study.  That's a new name I haven't seen yet.  Since I didn't talk to them, I have no idea no what they wanted

Caller id says Research Study.Recorded message offers $550 to drop current COPD medicine to participate
in some study. Most probably a scam.

tID: 1-417-800-2566

3L Communications Missouri LLC
108 South Main Street
Nevada, MO 64772
(417) 800-2000
Support@3LCom.net

417-800-2    MO    
3L COMMUNICATIONS MISSOURI, LLC - MO    
742G    NEVADA    
NOCLLIKNOWN    04/12/2012    
Prefix Type: UNKNOWN
LATA: Springfield MO (522)

This is a criminal fraud facilitated by 3L Communications.  Call the number provider up and explain to them how you feel about these people in NO UNCERTAIN TERMS!  Make them feel the frustration, time wasting and annoyance their 'customer' gives you.  Perhaps they will reconsider their contract.

1-417-800-2566 is answered by the same autodialer recorded message.  Get on it people, call them until they drop!  Block their phone-lines.