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● Primary and secondary SIP account
● Flexible set port group
● IP trunk
● Flexible routing and manipulation
● Data/ Voice/ Management VLAN
● Voice /FAX/Modem
● SNMP
● Firmware update automatically /configure update
Đặctảkỹthuật
Physical Interfaces
● Phone Interface: 4 FX/FXO, RJ-11
● Ethernet Interface:2* RJ-45 10/100Mbps, RJ-45
● LED Indicators: Power, Run, Network and Line LEDs
Voice Processing
● Voice Codec: G.711A/U law, G.723.1, G.729A/B
● Voice Packet Capabilities: CNG, VAD, G.168, AJB
● Programmable Gain Control
● DTMF mode: Signal/RFC2833/INBAND
Call Features
● Calling Type: Voice/ T.38/Pass-through/Modem FAX mode, Up to 14.4kbps
● IVR Voice Prompt: Private service IVR
● Telephony Features: Call waiting, Call transfer(Blind transfer, Attend Transfer , Half blind transfer), Quick pick, Call forwarding, Hotline, Call hold, DND, Voice mail, 3-way conference,Direct IP address call
Network
● Network Protocols: IP,TCP, UDP,TFTP, FTP, ARP,RARP, Ping, NTP, SNTP, Http, DNS, Trancert
● NAT Traversal: STUN, Ping, Tracert
Protocol and Standard
● Protocol: SIP V2.0 (RFC 3261,3262,3264), RTP/RTCP
● Standard: Bellcore Type 1 &2, ETSI, BT, NTT and DTMF based CID, configurable call progress tone
Configuration Management
● Auto Provisioning: TFTP, HTTP, Auto configure/upgrade, Syslog and CDR, SNMP
● Web GUI: Configuration, firmware upgrade, TCP/UDP/Current RTP/History calls statistics