IP PBX ( 4 lines, 8 lines, 16 lines,24 lines)

Protocoll
Control Protocol: H.323/MGCP/SIP, supports on line upgrade and
modify among such three protocols
Voice Codecs: G.711 (A-law and u-law), G.723.1, G.729,
supports voice compress arithmetic dynamic
switch
Analog voice interface: DTMF detect
Echo cancellation: G.165/G.168
Ethernet port: IEEE 802.3 10BASE-T Ethernet
IEEE 802.3u 100BASE-TX Fast Ethernet
Network Protocol: TCP/IP, UDP, ARP, ICMP, TELNET, SNMP,
HTTP,RTP/RTCP, TFTP,NAT
DHCP
PPPoE
Network Management: SNMP
Telnet
Web-based GUI
Console
Security Feature: Password-Protected Administration on Telnet,
Console, Web and SNMP
Supports VLAN, avoid network storm
EEnnvviirroonnmmeennttaall
Dimensions 252mm 179mm 41mm
Unit Weight 0.8Kg
Working Voltage Input mark value +12VDC,
permit range +7VDC40VDC
Consumption 12W
Operating Temp 0 ~50 ?br /> Operating Humidity 10%~90%
Powerful QoS
Based on IPv4 ToS and distinguish service, set different service level
according to different package to ensure voice package ‚¬ high priority
Supports IEEE802.1p/q tagging to ensure voice quality
Supports call wait,call transter,call forward,abbreviation
dial,no-disturb(need operator support such service)
Features
One RS232 port for configuration
Eight standard RJ11 ports, FXS/FXO, for
analog phones or PSTN
Two 10/100M BASE-T ports to connect
external and internal data network
Supports VLAN TAG
Supports static/dynamic NAT translate
Jitter Buffer to clear network jitter
Supports static IP address configure
Supports PPPoE(Point to Point Protocol over
Ethernet) ‚¬ HCP(Dynamic Host Configuration
Protocol ),performance IP address dynamic
distribute,enhance management convenience
and access flexibility.
PPPoE ‚¬ HCP auto redial when off line.
Supports online software upgrade
MAC address self-learning capability
Supports multi configure,as Console ‚¬ eb ‚¬?br /> Telnet and SNMP.
Management User ‚¬ level authority ,high
security.
Force reset factory setting,good survival.
Multi billing mode:polarity reversal/10/100M
BASE-T port / RS232 port
Telecom grade lighten proof
Supports quite tone detect/ CNG (Comfort
Noise Generation)
Supports T.30/ T.38 fax, fax translate
Recover loss package feature
Auto-sensing dynamic buffer technology, Max
150ms, to meet bad network environment
application
Adopt authority verify etc. network security
mode
Supports Caller detect and Caller ID
Option DTMF band internal/external
transmission technology
Option input/output gain control
Supports polarity control(need operator support
such service)