YGW50 ATA
   

System  features
   Support two sip servers running at the same time.
   Provide one backup SIP server

    Support NAT,Firewall
    Support DHCP client and server.
    Support PPPoE, (used for ADSL, cable modem connecting).
   Upgrade firmware through HTTP, FTP or TFTP.
   E.164 dial plan and customized dial rules
   Support Inband audio,RFC2833 and SIP info etc. transmit by DTMF
   Hotline.   Call Forward
   Call ID display
   DND(Do Not Disturb),Black List,Limit List
  Auto-answer
  Set by HTTP web browser (IE6.0)
  Telnet remote management.
  Adjustable user password and super password

voice Features
G.711a/u
G.723.1 5.3/6.3k
G729
VAD (Voice Activity Detection)
CNG(Comfort Noise Generation)
AEC(Auto Echo Cancellation)
Tone generation and Local DTMF re-generation according with ITU-T

 VOIP Features
SIP
802.3/802.3U 10 Base T/100 Base TX
TCP(RFC793) IP(RFC791) UDP(RFC768)
ICMP(rFC792) ARP(RFC826) SNTP(RFC2030)
Telent(RFC318) HTTP(RFC2616)
DHCP(RFC2131) FTP(RFC959)TFTP(RFC1350)
PPPoE(RFC2516) DNS(RFC1034,RFC1035)
RTP&RTCP(RFC1889)

Enviromental requirement
Operation temperature: 0 to 50° C ( 32° to 122°F)
Storage temperature: -30° to 65° C (-22° to 149°F)
Relative Humidity: 10 -95%
Atmosphere pressure 86-106Kpa
Overall size:114×154×34mm(L×W×H)

Electric requirements
Voltage: 12V
Power:4.5W(max.)
Power adapter: input AC 100-220V,output DC 12V 1A
Interfaces :2 X RJ45 Ethernet connector
FXS port:1XRJ-11 port
POTS port:1XRJ-11 PSTN line port