Line | 2 : Hot

: Navigate to the "Hot Line" settings in the device web interface and check the Enable Hot Line function.

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: 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 . : Navigate to the "Hot Line" settings in

Do you have many K-1900D/W-2 Hot Line telephones or K-1900-5 automatic dialers to program with the same phone number? Viking Electronics, Inc. VoIP Phone 2 : Hot Line

: The hot wire is typically the smooth wire (black), while the neutral wire has ridges or grooves.