If your query relates to electrical wiring, "2 hot lines" refers to a or two-phase power setup.

, the "Hot Line" feature allows a specific port to immediately connect to a destination number upon activation.

Dealing with for a 240V or split-phase circuit? AI responses may include mistakes. Learn more APPLICATION - Viking Electronics

These "hot line" phones are designed to automatically dial a pre-programmed number as soon as the handset is lifted. They are commonly used for emergency help, customer service kiosks, or security desks.

: You can program the auto-dial number using a standard Touch Tone phone. Detailed steps are available in the Viking K-1900 Series Instruction Manual .

: Simply lift the handset; the internal multi-number dialer will initiate the call to the stored number. 2. VoIP Gateway Hot Line Configuration In the context of networking equipment like the WellGate 3512