Grandstream GXW4004

GXW400x Series IP Analog Gateway

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.

- 4 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