Multiple choice technology testing What is DNH?What is the use of DNH? Directory Number Hunting. It ensures incoming call arrives on a busy line, the call is automatically forwarded to the next line. Dialed Number Hunting. It ensures incoming call arrives on a busy line, the call is automatically forwarded to other areas of lines. All the Above None of the Above Reveal answer Fill a bubble to check yourself A Correct answer Explanation DNH stands for Directory Number Hunting, a telephony feature that automatically forwards incoming calls to the next available line when the primary line is busy. This ensures calls are not lost due to line unavailability.