Signaling System 7 (SS7 means a signaling protocol used by the CCS Network.
BT Network means the communications network owned or leased by BT and used to provide a Service.
Core Network means the transport infrastructure identified in accordance with Chapter III of Regulation (EU) No 1315/2013;
Digital Signal Level 0 (DS-0 means the lowest-level signal in the time division multiplex digital hierarchy, and represents a voice-grade channel operating at either the 56 Kbps or 64 Kbps transmission bit rates. There are twenty-four (24) DS-0 channels in a DS-1.
Digital Signal Level 1 (DS-1 means the 1.544 Mbps first level signal in the time division multiplex hierarchy.
Cable Television Network means system consisting of set of closed transmission paths and associated signal generation, control and distribution equipment, designed to provide Cable Service for reception by multiple subscribers.
Game has the meaning ascribed to that term in the Control Act;
Network User means each natural or legal person having concluded a Standard Transmission Agreement with the TSO for Transmission Services in the Transmission Grid.
Digital Signal Level 3 (DS-3 means the 44.736 Mbps third level signal in the time division multiplex hierarchy.