The NSQ412 is a four-line, non-square unit designed to allow the user to set up a system easily, without the need for any additional equipment (KSU) or the help of a specialist.

With these telephones, you can assemble up to a 12-telephone interacting system using 2, 3, 4 or more C.O. Lines and a system intercom. Important system features:

• Handset and headset 4-position independent volume setting.
• Eight Speed Dial locations. Each has 24-digit, 16-character capacity.
• Last Number Redial location with up to 24 digits.
• Automatic Redial of last dialed number up to ten times.
• Mute key for handset, speakerphone and headset. Mute LED illuminates when active.
• Tone and Pulse dialing.
• Visual Ring Indication by flashing LED. Display will show line when CALLER ID data received.