Physical Interfaces
• ISDN Interface: 1/2*E1/T1, G.703, 120ORJ-48
• Ethernet Interface:
FE0(WAN):service eth interface),
FE1(LAN):management eth interface)
*10/100M Base-TxRJ45
• Management Interface:
1 Console RS232,9600bps

Voice & Fax
• G.711A/U law, G.723.1, G.729A/B,iLBC
• Silence Suppression & Detection
• Comfort Noise Generation (CNG)
• Voice Activity Detection (VAD)
• Echo Cancellation (G.168)
• Adaptive (Dynamic) Jitter Buffer
• Call Progress Tone Generation
• Programmable Gain Control
• T.38/Pass-through fax, up to14.4kbps
• Modem
• RFC3407
• FAX/X-FAX
• QoScontrol: ToS, DS

Call Feature
• DTMF:RFC2833, SIP INFO, INBAND
• Back tone/busy tone control
• Digit Map
• Dial rule configuration, max 2000 rules
• Overlap receiving
• Dial time control
• Time slot group management
• E1/T1 port group management

Protocol& IP Feature
• SIP-RFC 3261, 3262,3263,3264,3265,3515,2976,3311
• SDP -RFC 2327
• RTP/RTCP-RFC2198,1889
• SIP-T,RFC3372, RFC3204, RFC3398
• SIP domain register
• IP group management
• Trunk priority management
• Peer/Access work mode
• IP address/domain authentication
• SIP username/password register to remote

Signal
• PRI/PRA
ISDN E1/T1
ITU-T I.431, Q.921, Q.931, ETSI Q.sig
• SS7/No.7
ITU, ANSI, ETSI, ITU-China,
MTP layer 1/2/3, ISUP/TUP
• R2
Support China, Vietnam etc 23 country standard
• SS7 MTP link management
• SS7 circuit maintenance

Maintain & Upgrade
• Web based configuration
• HTTP/Telnet configuration
• Data backup/restore
• Support English and China language
• Firmware upgrade by TFTP
• Web & telnet login password modify
• SNMPmanagement
• Syslog: Debug, Info, Error, Warning ,Notice
• CDR
• NTP Configuration

Physical Properties
• Power backup
• Power: input:100-240V,50-60Hz,1.1A Maxoutput:12VDC,0.5APower consumption: 10w
• Temperature(operation): 0 ?~ 45 ?(storage): -20 ?~80 ?
• Operation Humidity: 10%-90% no condensation
• Dimension(w/D/H): 436*300*44.5mm(1U)
• Weight: 2.0kg
• Color & material: black, iron box

Routing & Num manipulation
• Many routing wayPSTN-PSTN, PSTN-IP, IP-IP, IP-PSTN
• Intelligent routing
• Routing timecontrol
• 99routing
• Caller/calleemanipulation
• 128 number manipulation

Network Features
• IP,TCP, UDP,TFTP, FTP, RTP, RTCP, ARP/RARP,ICMPPing, NTP, SNTP, HTTP, DNS

Certifications
• CE,FCC