Lock iconRectangle 1Rectangle 2 + Rectangle 2 CopyShapeRectangle 1

This Product Is DISCONTINUED and Not Available for Sale

If you absolutely, positively need this product, please reach out by phone or email. We may be able to locate old stock or refurbished stock by special request. This product is orderable on our site however if we are unable to locate stock to ship you, we'll need to refund your monies


4 FXS Port Gateway | Grandstream GXW4004

  • Sale
  • 270 CAD

Why BuyPhonesOnline.ca?

  • There are no unexpected duties, tariffs or cross border fees on our products.  All pricing is in Canadian dollars and shipped from Canada.
  • All products shipped from BuyPhonesOnline.ca come pre-configured and with configuration support; so that you can UNPACK, PLUG-IN, and DIAL.  
  Call Us: (877) 823-1465 .

HELIA Technology Report

Find advanced training videos and product reviews for all things phones at our YouTube channel. Find coupons for this BuyPhonesOnline.ca webstore and more. Visit and Subscribe youtube.com/HeliaCanada

About the Grandstream GXW4004 4 FXS Port Gateway

The Grandstream GXW-4004 is a next generation VoIP FXS gateway that is SIP based and interoperable with leading IP-PBX and softswitch systems. It features 4 telephone ports, superb voice quality, rich telephony functionalites, easy provisioning, flexible dialing plans, PSTN failover line, and dual routed or switched network ports. The GXW-400x gateway series enables small and medium businesses to create integrated IP and PSTN telephone systems and efficiently manage communications costs.

Features of the Grandstream GXW-4004 FXS Gateway

  • 4 FXS ports with PSTN lifeline
  • Two 10M/100Mbps network ports (switched or routed)
  • Multiple SIP server profiles (2 per system and independent account per port)
  • Supports audio codecs: G.711, G.723, G.726, G.729 A/B/E, G.728, iLBC
  • T.38 Fax
  • G.168 Echo Cancellation

Benefits of the Grandstream GXW-4004 FXS Gateway

  • Simple and flexible configuration options as a VoIP-FXS Gateway
  • IP enabler for analog phones, faxes, and legacy PBX systems.
  • Secure and easy management using Web browser, automated provisioning tools, and integrated IVR
  • High quality voice and fax communication with significant cost savings

Specification Sheet


More Specifications


Phone System Support Overview


Supported Phone Systems


Resources and Documents