Code 47

In Starfleet signal protocol, a Code 47 was an encrypted communication intended for receipt only by officers holding the rank of captain or higher. Voiceprint authorization by such an officer was required to open the channel, and no computer records of the transmission were maintained.
In 2364, Captain Walker Keel of the used a Code 47 to contact Jean-Luc Picard of the in order to request his presence at Dytallix B. ()
== External link ==
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es:Clave de Emergencia 47
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Category:Communications technology
Category:Security
Category:Alerts