... Feature1. Structure performances Technification:GEPON,L2 switch coupler functions, VoIP, high output CATV receiverQuality: all chip adopts world top ... rate PON: up/down-bound symmetry 1Gb/s data, VoIP language and IPTVONU subscriber authenticate, auto-identify, plug ... powerful OAM function2. VoIPTwo simultaneous voice over IP(VOIP) callsSupport SIP2.0 VoIP, MGCP, H.3233. CATV ReceiverHigh performance, ...