by Grandstream
(1)Buy new: $135.00
7 used & new from $130.00
(Visit the Best Sellers in Adapters list for authoritative information on this product's current rank.)
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 -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 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.
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