With respect to magnetically recorded data, especially tape-recorded data (analog or digital), the unintentional transfer of data from one physical location to another by virtue of prolonged, intimate physical contact of the recording media.
Note 1: Print-through is probably most commonly encountered when magnetic tape, stored on reels (including cassettes), is left for prolonged periods without being intentionally disturbed. Data… (Read More →)

1. Priority, unless specifically qualified, is the right to occupy a specific frequency for authorized uses, free of harmful interference from stations of other agencies. [NTIA]
2. Synonym priority level.
3. In DOD record communications systems, one of the four levels of precedence used to establish the time frame for handling a given message.
4. In DOD voice communications systems,… (Read More →)

In the Telecommunications Service Priority system, the level that may be assigned to an NS/EP telecommunications service, which level specifies the order in which provisioning or restoration of the service is to occur relative to other NS/EP or non-NS/EP telecommunication services.
Note: Priority levels authorized are designated (highest to lowest) "E," "1," "2," "3," "4," and "5" for provisioning and… (Read More →)

The priority level(s) designated for the provisioning or restoration of a particular NS/EP telecommunications service.

A category of precedence reserved for messages that require expeditious action by the addressee(s) and/or furnish essential information for the conduct of operations in progress when routine precedence will not suffice. [JP 1-02]

1. In a communications system or network, the protection given to information to conceal it from unauthorized persons having access to the system or network at large. Synonym segregation.
2. In a communications system, protection given to unclassified information, such as radio transmissions of law enforcement personnel, that requires safeguarding from unauthorized persons.
3. In a communications system, the protection… (Read More →)

Functions to ensure the validity of both maintenance information and telecommunications network traffic key management, intrusion surveillance, and fraud control. [T
1. Rpt34-1994]

In Signaling System 7 (SS7) switching, information contained in the calling-party number parameter, which information indicates whether the calling party authorizes presentation of the calling-party number (caller ID) to the called party.

[In INFOSEC, a] commercial encryption system that affords telecommunications limited protection to deter a casual listener, but cannot withstand a technically competent cryptanalytic attack. [INFOSEC-99]

See PBX.