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Grandstream GXW4004 - 4 Port FXS Gateway

SKU: GXW4004
Condition: New

Availability: In stock


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4 Port Analog FXS IP Gateway.

The GXW FXS Series has a compact and quiet design (no fans) and offers superb audio quality, rich feature functionality, strong security protection, and compelling price-performance ratio. It is auto-configurable, remotely manageable and scalable. It features 4 or 8-port FXS interface for analog telephones, dual 10M/100M network ports with integrated router, PSTN life line in case of power failure, and an RS232 serial port for administration.

The GXW4004 also supports 2 SIP account profiles, caller ID for various countries/regions, T.38 fax, flexible dialing plans, security protection (SIPS/TLS), and comprehensive voice codecs.


  • 4 or 8 FXS ports
  • Two RJ-45 ports 10/100 Mbps (switched or routed) 
  • Multiple SIP accounts (choice of 2 profiles per account) 
  • T.38 Fax compliant 
  • G.168 Echo Cancellation 
  • Voice Activation Detection (VAD) 
  • Comfort Noise Generation (CNG) 
  • Packet Loss Concealment (PLC) 
  • Supports PSTN/PBX analog telephone sets or analog trunks

Additional Info

Additional Info

Model GXW4004
Manufacturer Grandstream Networks
Condition New
Form Factor External
FXO Ports No
FXS Ports 4
T1/E1 Ports No
Transcoding Ports No
Echo Cancellation Yes
Protocols Supported SIP
Codecs Supported G.711, G.726, G.729AB, iLBC
Additional Features No
Downloads Grandstream GXW400x Series Datasheet
Video No


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