I let it ring. They hung up on the voicemail. Then, called back as they are either non-existing numbers or usually give a chance to opt out.
Survey
Recent comments:
16
May 16, 2016
My phone rang, but I don't waste my time answering these calls. I do place the numbers on DoNotCall.gov list.
Other
17
May 26, 2016
No message, they just hung up
Other
18
Jun 15, 2016
same here
Other
19
Jun 22, 2016
Person identifies herself as Michelle.says we are.Survey.com.2 days ago I told her I wasn't interested and she keeps talking.i hang up.i was called 5 times yesterday.She calls me again today Wednesday June22,2016 and I let her talk till she's the one saying Hello..I ask her how many times is she going to call my phone.Says she will remove me from the list. (What list?)Hope she doesn't call back..