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Elastix NLX4000 IP PBX

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Key Features
  • Analog Ports (FXO/FXS) Up to 48
  • Extensions (SIP/IAX) Up to 300
  • Concurrent Calls - Up to120

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Brand: Elastix
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Elastix NLX4000 IP PBX Appliance

The Elastix NLX4000 is a 1.5U IP PBX appliance which will support up to 300 phones and up to 120 concurrent calls. The Elastix NLX4000 has 2 open PCIe slots which support a variety of different analog and digital port configurations to support what you want to connect.

Choose FXO ports to connect to the PSTN via POTS lines, T1 ports to connect via a T1 or use FXS ports to use analog phones or fax machines with the NLX4000.

Elastix Overview

  • Voicemail
  • Fax-to-email
  • Support for softphones
  • Web Interface Configuration
  • Virtual conference rooms
  • Call recording
  • Least Cost Routing
  • Extension Roaming
  • PBX Interconnection
  • Caller ID
  • CRM
  • Advance Reports 
ELASTIX NLX4000 - Technical Specifications


  • Analog Ports (FXO/FXS) Up to 48
  • Digital Ports - Up to 4 E1/T1/J1*
  • Extensions (SIP/IAX) Up to 300 
  • Concurrent Calls - Up to120
  • PCI Expansion Slots - 2 PCIe - easy swap
  • Operating System - Elastix 32 bits - supports 64 bits


  • 1.86 GHz Dual Core CPU
  • 4 GB DDR3 RAM
  • 500 GB HDD - 2.5” Hard Drive 2nd optional
  • Hardware RAID 1
  • 2x Gigabit Ethernet
  • LCD Display Front panel
  • 2 USB Ports on rear panel

Operation Features

  • Nominal Power - 150 W, efficient PSU
  • Operation Voltage - 100/240v Auto switching

Physical Features

  • 2.64” (67 mm) Height
  • 17.32” (440 mm) Width
  • 14.65” (372 mm) Depth
  • 4.3 Kg (9.5 lb) Weight
  • 1.5U - Rack mountable 19’’

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