AudioCodes Mediant 3000 VoIP Gateway - supporting redundant 16E1/21T1 Spans

Mediant 3000 VoIP Gateway supporting redundant 16E1/21T1 Spans OR redundant 252 IP-To-IP sessions including redundant chassis components, 1+1 TP-8410 board, 2 RTM for TP-8410 active board and 2 System Alarm boards (see note)