How much do telemarketers understand "I'm not interested" by part of that sentence

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Bar Graph,calling,go away,reading the script,telemarketer
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I'm Gonna Have to Call You Back...

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phones,dead batteries,calling,Pie Chart
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Is Your Name Ricki Roll?

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calling,girl,numbers,phone,Pie Chart,rickroll,verification
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I Think I Hear It Buzzing in the Kitchen

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calling,cell phone,land line,phone,Pie Chart
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I Just Didn't Want to Talk to You, Mom

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calling,parents,phone,Pie Chart,voicemail
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One time I went to Las Vegas and didn't tell my parents. I had 10 voicemails when I got home. Whoops.