SSN

Sub‐system Number. Identifies the sub‐system within an SS7 network element.

GSX / SGX

A Sonus‐specific media gateway that converts a traditional wireline call into a VoIP call. One variant, SGX, converts SS7 signaling.

A-GPS (Assisted-Global Positioning System)

A-GPS (Assisted-Global Positioning System) is a system that often significantly improves the startup performance—i.e., time-to-first-fix (TTFF)—of a...

Shape File

A file containing a Geolocation shape(s), such as PSAP shapes or PSAP and cell sector layers.