The Wireless Service provides Customer with the ability to transmit and receive machine-tomachine wireless data and messaging communications (and optional, limited voice 
communications) for use with the Internet of Things. Customers only may use the Wireless 
Service with Acceptable Applications on Approved Devices. Customer may supply Devices 
used to access the Wireless Service or may purchase them from AT&T.
Customer may not use the Wireless Service to provide open Internet access service, email 
service, VoIP service, open-ended voice calling to the Public Switched Telephone Network, 
consumer SMS, two-way messaging or with drones.

For complete terms and conditions: http://serviceguidenew.att.com/sg_flashPlayerPage/M2M