Mobile Network means the network facilities and/or network services comprising the public cellular network for the provision of Call Communications.
Core Network means the transport infrastructure identified in accordance with Chapter III of Regulation (EU) No 1315/2013;
BT Network means the communications network owned or leased by BT and used to provide a Service.
Common Channel Signaling (CCS) means an out-of-band, packet-switched, signaling network used to transport supervision signals, control signals, and data messages. It is a special network, fully separate from the transmission path of the public switched network. Unless otherwise agreed by the Parties, the CCS protocol used by the Parties shall be SS7.
Radiation therapy simulation system means a radiographic or fluoroscopic x-ray system intended for localizing the volume to be exposed during radiation therapy and confirming the position and size of the therapeutic irradiation field.