Grandstream GXW 4004

SIP accounts: 2 per system and 1 per port
FXS Ports: 4
FXO Ports: 1 Life Line
Ethernet Ports: 2 Fast Ethernet Ports (10/100 Mbps)
PoE compliant: No
DHCP Client/Server: Yes, NAT Router or Switched mode
AC Adapter included: Yes

The GXW400x FXS Series is an ideal solution for businesses looking to connect one or more lines of a traditional PBX to a VOIP phone system or provider.


The GXW400x features 4 or 8-port FXS interfaces 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.

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