1.Support 2 lines SIP, SIP 2.0 (RFC3261).
2.Audio Codes:G.711, G.722, G.729.
3.IP Protocols:IPv4, TCP, UDP, TFTP, RTP, RTCP, DHCP, SIP.
4.Echo cancellation code:G.167/G.168.
5.Supports full duplex.
6.WAN/LAN: support Bridge mode.
7.Support DHCP get IP on WAN port.
8.Support PPPoE for xDSL.
9.Support DHCP get IP on WAN port.
10.Aluminum alloy die-casting shell, high mechanical strength and strong impact resistance.
11.Heavy Duty handset with hearing Aid compatible receiver, Noise canceling microphone and armored cord.
12.Zinc alloy keypad and Magnetic reed hook-switch. Full keypad with memory, 0-9 buttons can be programmed as speed-dial button.
13.Weather proof protection to IP66-IP67.
14.Temperature range from -40 degree to +70 degree.
15. Inductive coupler fitted as standard for hand of hearing.
Powder coated in UV stabilized polyester finish.
16.Wall mounted, Simple installation.
17.Multiple housings and colors.
18.Self-made telephone spare part available.
19.CE, FCC, RoHS, ISO9001 compliant.