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4 FXS Port Gateway | Grandstream GXW4004

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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


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