|he Grandstream GXW4008 is an 8 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. It also has an RS232 serial port for administration.
Grandstream GXW4008 VoIP Gateway Overview
The Grandstream GXW4008 also supports 2 profiles per SIP Account, caller ID for various countries/regions, T.38 fax, flexible dialing plans, security protection (SIPS/TLS), and comprehensive voice codecs.