Grandstream GXW4008 Analog Telephone Adapter

Grandstream GXW4008 Analog Telephone Adapter

The Grandstream GXW4008 is a robust 8-port FXS VoIP gateway with an integrated dual-port 10/100 Mbps Ethernet router and PSTN lifeline support. It’s designed to connect multiple analog phones or fax machines to an IP network, making it ideal for small offices, branch locations, or service-provider deployments

Grandstream GXW4008 Analog Telephone Adapter Specifications

• FXS Ports: 8 RJ-11 ports for analog phones or fax machines

• Ethernet Ports: 2 × 10/100 Mbps RJ-45 ports (LAN and WAN)

• Router Functionality: Integrated NAT router with DHCP and TCP/IP support

• Voice Codec Support: G.711a/u, G.723.1, G.726, G.729A/B, G.728, iLBC

• Fax Support: T.38 Fax-over-IP and G.711 pass-throughhttps://www.city.co.ke

• PSTN Lifeline: Automatic failover via PSTN lifeline port

• Admin Interface: RS-232 serial console port for configuration

• SIP Profiles: Supports up to 2 SIP accounts

• Security & Provisioning: Supports TLS, SRTP, HTTPS, TFTP, HTTP, and Telnet

• Voice Features: Echo cancellation, jitter buffer, VAD, CNG, packet loss concealment

• Conferencing: Supports 3-way voice conferencing per porthttps://www.city.co.ke

• QoS & VLAN: Supports DiffServ, TOS, 802.1p/q VLAN tagging

• Power Supply: 12V DC external power adapter

• Operating Temperature: 0°C to 40°C

• Humidity Range: 10% to 90% non-condensing

• Mounting Options: Desktop or wall-mountable

• Form Factor: Compact, fanless, quiet operation