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Grandstream GXW4004 VoIP Gateway

The Grandstream GXW4004 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.

Grandstream GXW4004 VoIP Gateway Overview

The Grandstream 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.

Grandstream GXW4004 Features and Functions

4 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