ESS

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

MPLS

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

SWNO

MSC Switch Number.

ESSID

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