硬體規格 :

Features

● 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

Specification

Physical Interfaces

     ● Phone Interface: 4/8 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