How to turn on ringing line Preference on NEC Level2, Elite 48, 192, IPK

From phone you would like to activate the feature:

• From phone you would like to activate the feature press Feature then enter 4 Note the port number that shows on the display in the format xx = Tel yyy xx would be the port number

On that phone enter the following with the handset laying in the cradle and the phone not in use.

• Feature Hold # 0 * (the screen should show "Programming Mode")
• Press Line button 4 (see drawing below)
• Enter 11 on keypad
• Note the screen should look similar to
  • 01/01:RNG PRF YS
• Now continue to keep pressing the conference key until the first 01 shown on the screen equals the port number you got at the beginning of these steps.
• Press Line Key 2 to turn the feature on
• Press Transfer to save your changes
• Press Speaker to exit programming mode