The quality of a transmitted message, such that its recipients can be assured that the contents of the message have not been tampered with or altered since the time it was transmitted by the sender. One common approach is to use a one-way hash function that combines all of the bytes in the message to produce a message digest that… (Read More →)

1. In radio communications, one of the three major subdivisions of a message, namely the heading, the text, or the ending.
Note: Each message part may have separate components and each component may have elements and contents.
2. In cryptosystems, text that results from the division of a long message into several shorter messages of different lengths as a transmission… (Read More →)

Terminal equipment leads at the interface used solely for receiving dc message register pulses from a central office at a PBX so that message unit information normally recorded at the central office only is also recorded at the PBX. . . . [47CFR]

Switched service furnished to the general public (as distinguished from private line service). Except as otherwise provided, this includes exchange switched services and all switched services provided by interexchange carriers and completed by a local telephone company's access services, e.g., MTS, WATS, Execunet, open-end FX and CCSA/ONALs. [47 CFR Pt.36-A] Synonym message toll service.

1. A signal unit that contains service information and signaling information fields and is retransmitted by the signaling link control if it is received in error. The value of length indicator is always greater than
2. [T1.226-1992]

A method of handling message traffic through a switching center, either from local users or from other switching centers, whereby the message traffic is stored and forwarded through the system.

Synonym message service.

An OSI application process used to store and forward messages as described in the X.400 message handling system. [Bahorsky] Synonym Internet mail agent.

The part of a common-channel signaling system that transfers signal messages and performs associated functions, such as error control and signaling link security.

An assigned value used to identify the feature generating the message. [T1.401-1998]