highlights
        
         - 4 FXS (GXW4004), 8FXS (GXW4008
 - 2 RJ45 10/100Mbps (LAN/WAN)
 - 1 RJ11, for Fail-Over PSTN
 - Voice Codecs G.711 (a/ยต law), G.723, G.726, G.729a/b/e, iLBC, and T.38 compliant
 - Configuration Web based, and remote TFTP/HTTP
 - Compliance FCC, CE
 
resources spotlight
    
   
- 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
 
- 4 and 8 FXS port media gateways
 - 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
 




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