Product Description
The Grandstream GXW4004 is a 4 FXS port gateway that allows analog phones or fax machines and traditional analog PBX systems to connect to a VoIP system or provider. It features 2 10/100 network ports with an integrated router for connecting to the network and an RJ11 line for PSTN failover.
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.
This Grandstream FXS Gateway is an ideal solution for businesses looking to connect one or more lines of a traditional PBX to a VOIP phone system or provider. Each SIP Account supports 2 profiles and the GXW4004 supports T.38 fax along with G.711, G.723, G.726, G.729 and iLBC codecs.
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