Orange box

{{About|the tool used to spoof caller ID|the video game compilation|The Orange Box|}}

An orange box is a piece of hardware or software that generates caller ID frequency-shift keying (FSK) signals to spoof caller ID information on the target's caller ID terminal.{{cite conference |last1=Tu |first1=Huahong |last2=Doupé |first2=Adam |last3=Zhao |first3=Ziming |last4=Ahn |first4=Gail-Joon |display-authors=1 |url=https://adamdoupe.com/publications/toward-authenticated-caller-id-transmission-itu2016.pdf |title=Toward authenticated caller ID transmission: The need for a standardized authentication scheme in Q. 731.3 calling line identification presentation. |conference=2016 ITU Kaleidoscope: ICTs for a Sustainable World (ITU WT) |publisher=IEEE |page=7 |date=14–16 November 2016 |access-date=16 June 2025}} Phreakers typically use them and other phreaking boxes to perform their attacks.{{cite book |last=Gregg |first=Michael |url=https://www.google.com/books/edition/The_Network_Security_Test_Lab/pEVICgAAQBAJ?hl=en&gbpv=1&pg=PA17 |title=The Network Security Test Lab: A Step-by-Step Guide |publisher=Wiley |pages=17–18 |date=2015 |access-date=16 June 2025 |isbn=978-1118987131}}