... 4-port switch Framing Format: G.711, G.723.1 Data Link Protocol: Ethernet, Fast Ethernet Switching Protocol: Ethernet Network / Transport ... Remote Management Protocol: HTTP Status Indicators: Port status, link activity, power, link OKFeaturesFirewall protection: DMZ port, dynamic IP address assignment , ... Specifications: ITU G.165, ITU G.168, ITU T.38 Data Compression Protocol: G.729, G.711, G.723.1, ...