JR-900 IP phone supports IAX2,SIP,protocols,Support Bridge and Router model.Support IAX2 and dual public server, offers Two Ethernet interface and is compatible with various softswitch systems and VoIP voice gateways to provide broadband IP voice service. Features Support SIP 2.0 (RFC3261) and correlative RFCs Supprt IAX2 Codec:G.711A/u, G.7231 high/low, G.729, G.722 Packing: Inner box MEAS 290*210*75mm G.W./unit 1.1kg Carton MEAS 446*395*325mm G.W. 12kg PCS/CTN 10pcs
