Technical parameters:
physical characteristics
Body type 19 inch 3U standard rack type
The maximum capacity configuration for a single box is 128 (users+relays)+2E1+recording
Dimensions: 480mm * 338mm * 133mm (width * depth * height)
Power consumption of 10W-250W (depending on system configuration)
Operating environment temperature -30 ℃~+60 ℃
Relative humidity 0%~90% non condensing
Communication ports RS232, RJ45
Business port simulation port, E1/T1 port, IP network port
Simulate port transmission distance based on wire quality, 5km~10km
Port lightning protection, surge protection, overcurrent and overvoltage protection
Power Supply
Primary power input AC: 220V ± 10% 50Hz ± 2Hz
performance
Digital format digital time-division A rate 2.048Mb/s PCm system
Switching network internal and external lines 2048 * 2048 non blocking single T network interface
Protocol capability
VoIP communication protocol SIP
Transmission Protocol UDP
Network DHCP,Static Route,VLAN
Network protocols FTP, TFTP, HTTP, SSH
Speech encoding G.711 (alaw/ulaw), G.723, G.729A
Voice Characteristics G.168 Echo Cancellation, Dynamic Jitter Buffer
DTMF RFC2833,SIP INFO,In-band