Network Code:E_Network Address Signaling Code_E_If the device performs either DTMF or pulse signaling (selectable);
Analog Code:FIC_02RV2.0_2-wire loop reverse battery signaling/ loop closure from customer/ reverse battery from LEC/ 600 ohms. Used for PBX-E911 trunks.*
EUT STD:47CFR68.317_Hearing aid compatibility volume control: technical standards.