Grandstream GXW-4008 8 port FXS VoIP Gateway
The GXW FXS Series has a compact and quiet design (no fans) and offers superb audio quality, rich feature functionality, strong security protection, and compelling price-performance ratio. It 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. The GXW40xx 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.