Network Code:Network Address Signaling Code_N_If the device does no signaling.
Analog Code:FIC_02RV2.T_2-wire loop reverse battery signaling/ loop closure from customer/ reverse battery from LEC/ 600 ohms. Used for Direct Inward Dialing
EUT STD:TIA-968-B Part 5.1_Part 5.1 ANALOG VOICE BAND INTERFACE REQUIREMENTS
Register:ACTA_SDoC_Administrative Council for Terminal Attachments