Data source: National do not call registry data book FY2015 · 0 100000 200000 300000 400000 500000...
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Transcript of Data source: National do not call registry data book FY2015 · 0 100000 200000 300000 400000 500000...
Data source: National do not call registry data book FY2015
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2013 2014 2015
Phone
Data source: Consumer sentinel data book CY2015
Subscribers (mil)
Mobile Landline VoIPData source: CTIA 2013, ITU 2013, Statistica 2013
Data source: Bandwidth Voice & Messaging API Platform
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