
|
Interface
|
|
|
WAN
|
10/
|
|
LAN
|
10/
|
|
RS232 interface
|
Configure, maintains and diagnose through console port
|
|
phone interface
|
4FXS+4FXO, 8FXO, 4FXO
|
|
Protocol
|
|
|
VOIP control protocol
|
H.323/SIP, easy to switch
|
|
Voice codec
|
G
|
|
Call Features
|
|
|
Analogue telephone feature
|
DTMF detection and generation
Call progress tones detection and generation
Polarity reversal signal
Echo cancellation, VAD, CNG
Answer supervision, Disconnect supervision
One-stage dialing and two-stage dialing
|
|
VoIP call feature
|
Call waiting, Call transfer, Call hold, Call forward
|
|
Other characteristics
|
|
|
Voice feature
|
DTMF check and create, check and create voice during calls
|
|
CPT tone
|
Default 10 countries CPT setting. User may define special CPT tone.
|
|
Characteristics of data interface
|
Support DHCP Client
|
|
Configuration
|
Can configure and control through WEB browser, TELNET and console control platform
|
|
FAX
|
Support pass through, T.30 and T.38
|
|
Light
|
Each port has a light
|
|
Protection
|
Extra ventricular operation can avoided thunder and high-voltage protection
|
|
Physical specification
|
|
|
Power
|
AC 110V-220V, 50HZ.
|
|
Temperature
|
|
|
Humidity
|
10% ~ 95%
|
