text messaging service
(8) Definitions For purposes of this subsection: (A) Caller identification information The term “caller identification information” means information provided by a caller identification service regarding the telephone number of, or other information regarding the origination of, a call made using a voice service or a text message sent using a text messaging service. (B) Caller identification service The term “caller identification service” means any service or device designed to provide the user of the service or device with the telephone number of, or other information regarding the origination of, a call made using a voice service or a text message sent using a text messaging service. Such term includes automatic number identification services. (C) Text message The term “text message”— (i) means a message consisting of text, images, sounds, or other information that is transmitted to or from a device that is identified as the receiving or transmitting device by means of a 10-digit telephone number or N11 service code; (ii) includes a short message service (commonly referred to as “SMS”) message and a multimedia message service (commonly referred to as “MMS”) message; and (iii) does not include— (I) a real-time, two-way voice or video communication; or (II) a message sent over an IP-enabled messaging service to another user of the same messaging service, except a message described in clause (ii). (D) Text messaging service The term “text messaging service” means a service that enables the transmission or receipt of a text message, including a service provided as part of or in connection with a voice service. (E) Voice service The term “voice service”— (i) means any service that is interconnected with the public switched telephone network and that furnishes voice communications to an end user using resources from the North American Numbering Plan or any successor to the North American Numbering Plan adopted by the Commission under section 251(e)(1) of this title ; and (ii) includes transmissions from a telephone facsimile machine, computer, or other device to a telephone facsimile machine.