“i3” refers to the NG9-1-1 system architecture defined by NENA, which standardizes the structure and design of Functional Elements making up the set of software services, databases, network elements and interfaces needed to process multi-media emergency calls and data for NG89-1-1.
The 4-wire (2-pair) bidirectional primary rate interface point on the network side of the termination equipment (i.e., NT1, NT2), including the equipment connecting cord, or equivalent, on the user side of the interface cable. [After T1.217-1991] [After T1.408-1990]
The 4-wire (2-pair) bidirectional primary rate (PR) interface point on the user side of the termination equipment (i.e., NT1 and NT2), including the equipment connecting cord or equivalent on the network side of the interface cable. [T1.408-1990]
Abbreviation for Internet Assigned Numbers Authority. An organization directed by the Internet Architecture Board (IAB) and which assigns IP numbers and protocol parameters such as port, protocol, and enterprise numbers, and options, codes, and types.
