JR-820 voip phone supports IAX2,two SIP,protocols,Support Bridge and Router model.Support IAX2 and dual public server, offers Two Ethernet interface.
(1)Features:
Support SIP 2.0 (RFC3261) and correlative RFCs
Supprt IAX2
Codec:G.711A/u, G.7231 high/low, G.729, G.722
(2)Standard Component:
Adapter(Input/Output) 50~60HZ 110~240V / 5V 1A
WAN
10/100Base- T RJ-45 for LAN
LAN
10/100Base- T RJ-45 for PC
Power Consumption
Idle:1.5W active:1.8W
alternative
PoE(Power Over Ethernet),Headset[...]