The document contains data from various sources about phone numbers on the national do not call registry from 2013 to 2015, subscribers to different phone services from 2013 data, and an overview of the Bandwidth Voice & Messaging API Platform without any other details. The data shows an increase in phone numbers on the do not call registry from 2013 to 2015, subscribers to mobile services exceeding landlines and VoIP, and a mention of the Bandwidth Voice platform but no other information.

3. Data source: National do not call registry data book FY2015

6. 0
100000
200000
300000
400000
500000
600000
2013 2014 2015
Phone
Email
Data source: Consumer sentinel data book CY2015

8. Subscribers (mil)
Mobile Landline VoIP
Data source: CTIA 2013, ITU 2013, Statistica 2013

9. Data source: Bandwidth Voice & Messaging API Platform

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