Glossary of Terms

Understand basic Public Safety definitions and terms.

IN7

Definition:

Intelligent Network 7. Compaqä’s distributed IN/SS7 protocol stack for Tru64ä and TruClusterä. In order for the
iMPC/iGMLC to communicate with any other SS7‐connected systems (MSC or PDE), the system’s point code must be
entered correctly into IN7 with pathways pointing to either the system’s direct connect trunks (e.g., as with AWS who is
direct connected to the iMPC) or to VeriSign (for non‐direct connect customers).

IP,IPv4, IPv6

Internet Protocol. A data‐oriented protocol used for communicating data across a packet‐switched network. IP is a network layer protocol in the...

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i3

NENA defined name for next‐generation 9‐1‐1 architecture.

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Wireless Phase I & II

Phase I: Required by FCC Report and Order 96‐264 pursuant to Notice of Proposed Rulemaking (NPRN) 94‐102. The delivery of a wireless 9‐1‐1 call...

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IAM

Initial Address Message. An ISUP call setup message. A mandatory message sent in forward direction to initiate seizure of an outgoing circuit and to...

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