Specification :
" Performance and features
SIP v1 (RFC2543), v2(RFC3261)
Support Route,Two 10/100Mbps MACs
Support T.38(Doing)
IP/TCP/UDP/RTP/RTCP
IP/ICMP/ARP/RARP/SNTP
TFTP Client/DHCP Client/ PPPoE Client
Telnet/HTTP Server
DNS Client
NAT/DHCP Server
Support G.723.1 5.3k/6.3k£¬G.729£¬G.711 A-Law¡¢¦Ì-Law audio codec algorithm
Dynamic voice detection Echo cancellation Comfort noise generation
Tone generation and Local DTMF generation and detection according with ITU-T
Settings by HTTP web browser (IE6.0)
Advanced settings by Telnet
Voice prompt
Upgrade by TFTP
2RJ45 Ports,Built-in Router,conference,Auto-provison or updating by HTTP,FTP or TFTP.
For each YGW30A,it can have 3-SIP account,all can be used as caller at anytime.It can be selected among these 3-SIP account as caller by dial different dial prefix.It can be used as PSTN ordinary phone when power off.
For each YGW30B,it can have 3-SIP account and one PSTN phone number,that means each ATA own 4 phone numbers,all can be used as callee at anytime.For the caller,these 4 account can be selected by dial different relevant prefix(including switch to PSTN as an ordinary PSTN phone)
YGW30B has a real FXO port to support router call from PSTN to VOIP or from VOIP to PSTN.
" Main technical index
Main chip: 32-bit RISC CPU with 125MHz clock rate
Data storage:2MB SDRAM
Program memory: 1MB Flash memory
Application Network environment: Two 10/100Mbps Fast Ethernet MAC
Echo cancellation:G165 16ms
Store quick dial number: 100
Record phone number of missed call:80
Power loss:2.7W(max)
Power adapter: input AC 220V,output DC 9V 500mA
Employing condition:
Ambience temperature 0-40¡æ£¨32-104¡ãF£©
Relative humidity 10-95%
Atmosphere pressure 86-106Kpa
Overall size:113 x 80 x 28 mm (L x W x H)