♡Grandstream 4-port FXS Gateway, GXW4004

The GXW4004 FXS gateway series enables small and medium businesses to create integrated IP and PSTN telephony systems that efficiently manage communication costs. These analog FXS gateways feature 4 FXS ports for analog telephones, two 10/100 Mbps ports for connection to an IP network. The GXW4004 also includes a built-in NAT router. Advanced telephony features, easy automated provisioning superb voice quality and a PSTN lifeline port allow the GXW4004 series to be the ideal analog gateway solution for businesses.

• 4 FXS ports with PSTN life line in case of power failure
• 2 10/100 Mbps network ports (switched or routed)
• Comprehensive codec support, caller ID, flexible dial plans and security protection 
• Support for T.38 fax
• Advanced security protection with SRTP
• Failover SIP server feature in case main SIP server goes down