Supports SIP 2.0（RFC3261）, TCP/UDP/IP, RTP/RTCP, HTTP,ICMP, ARP/RARP,DNS,DHCP, NTP, PPPoE, STUN,TFTP, etc

Builtin Router/NAT, gateway and DMZ port forwarding

Powerful digital signal processing (DSP) to ensure superb audio quality; advanced adaptive jitter

Control and packet loss concealment technology

Supports G.711 (alaw and u-law), G.723.1 (5.3K/6.3K), G.726 (40K/32K/24K/16K),

G.729A/B and iLBC..

Supports standard voice features such as Caller ID Display or Block, Call Waiting, Hold,

Transfer Forward, FLASH, in-band and out-of-band DTMF, Dial Plans.

Supports three way conference

Supports passing through and T.38 fax mode.

Supports silence suppression and check VAD (Voice Activity Detection),

CNG (Comfort Noise Generation), Line Echo Cancellation (G.168), And AGC (Automatic Gain Control)

Supports the normal standards of encryption and certification.

Supports CALL Progress free enactment function

Supports the volume adjustment of gateway

Supports layer 2 (802.1Q VLAN, 802.1p) and layer 3 QoS (DiffServ, ToS)

Supports auto-crossing firewall (NAT) but without changeable to setting.

Supports configuration files by inside IVR equipment, Web browser, Or TFTP and HTTP Central Server ;

Supports SIP encrypts mode, avoid force-out

Supports upgrading and encryption to the configuration files by TFTP or HTTP;

Microminiaturize and legerity design (size as a wallet), convenience for carrying.

Technical parameter:

ATA(SIP2.0) route / bridge /DHCP

Ethernet Port 1WAN/1LAN(RJ45) 2FXS

Size 101X101X30mm Weight 0.41kg

Active status temperature 0—40℃ Humidity 10％—95％

Power supply adapter AC IN:100V-240V

DC OUT:+9V/1200mA Use power：<2.5W