AudioCodes MediaPack 118 Analog Voip Gateway, 8FXSIncludes 8 FXS analog lines, single 10/100 BaseT, including G.711/723.1/726/727/729AB VocodersKey Features-E911 fail-over (analog relay)-One 10/100BaseT WAN connection-SIP, MGCP control Protocols-Voice Compression-G.711, G 723.1, G.726, G.729a-Fax over IP-T.38 compliant-Web based management utilityCertified GW for Microsoft Unified Messaging and Office Communications ServerAdditional Features-Caller ID-Polarity reversal / wink-Distinctive Ringing-MWI-On-board power supply-1U Rack mount optionApprovals-EMC, Safety, Telco