Glossary of Terms

Understand basic Public Safety definitions and terms.

SS

Definition:

Soft Switch. Switching hardware for VoIP calls.

ESS

Electronic Switching System - Computerized switching of telephone calls used by the telephone company.

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MPLS

Multiprotocol Label Switching. A data‐carrying mechanism which emulates some properties of a circuit‐switched network over a packet‐switched...

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SWNO

MSC Switch Number.

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ESSID

Electronic Switching System Identification. Every selective router has a unique two‐character code assigned by the host service provider. For IEN...

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