### Question
How is the term caller identification service defined?


### Answer
The term **caller identification service** is defined in *47 U.S.C. § 227* as the following:

> 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 telecommunications service or IP-enabled voice service

#### Citation:
  - *47 U.S.C. § 227*
  - Heading: **CHAPTER 5-WIRE OR RADIO COMMUNICATION > SUBCHAPTER II-COMMON CARRIERS > Part I-Common Carrier Regulation**

