### Question
What does trap and trace device mean?


### Answer
**Trap and trace device** has the following meaning in *18 U.S.C. § 3127*:

> a device which captures the incoming electronic or other impulses which identify the originating number of an instrument or device from which a wire or electronic communication was transmitted

#### Citation:
  - *18 U.S.C. § 3127*
  - Heading: **PART II-CRIMINAL PROCEDURE > CHAPTER 206-PEN REGISTERS AND TRAP AND TRACE DEVICES**

