STU-III
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STU-III is a family of secure telephones introduced in 1987 by the NSA for use by the United States government, its contractors, and its allies. STU-III desk units look much like typical office teleph
A STU-III secure telephone (Motorola model). Crypto Ignition Key upper right.
George W. Bush using a Motorola STU-III immediately after the September 11 attacks
STU-III secure telephones on display at the National Cryptologic Museum in 2005.
KSD-64A Crypto Ignition Key
Secure Terminal Equipment
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Secure Terminal Equipment is the U.S. government's current encrypted telephone communications system for wired or "landline" communications. STE is designed to use ISDN telephone lines which offer hig
STU-III
…in service with the U.S. Government, with the last cryptographic keys for the units expiring on December 31, 2009. It has been replaced by the STE (Secure Terminal Equipment) and other equipment using the more modern Secure Communications Interoperability Protocol (SCIP). STU-III/Low Cost Terminal (LCT) designed for use in…
STE desk set. Note slot in front for Crypto PC Card.