Features:
(1) 8 GSM Channels,support up to 8 SIM card slots
(2) Frequency:850/900/1800/1900MHz
(3) Up to 8 SIP Trunk
(4) Easy set up via web interface
(5) Interoperability with most voip gateway
(6) Network Protocols:DHCP/PPPOE/VPN(pptp)/NTP/Telnet/HTTP/FTP/TFTP
(7) Telephony Features:Hot-line call ,Dial plan, Speed dial, Phone book, CDR, LCR, White/Black list
(8) Voice Capability:
Voice codecs:G729a/b/e,G723.1,G.711 A/U law, iLBC
Echo cancellation
Silence suppression & detection(VAD, CNG)
Adaptive jitter buffer
Volume adjustable
IVR customized
(9) Telephony Signaling:
DTMF tone dectection/generation
DTMF relay: in-band, RFC 2833 and SIP info
Call forward: unconditional, no answer and busy
N-way conferencing
Caller ID display/generation, Mobile Number Portability
Physical properties:
(1)Power Supply:100-240VAC, 50 - 60 Hz IN, 12V/5A OUT
(2)Operating temperature: 0 - 50oC
(3)Operating humidity: 10 – 90%RH
(4)Number of Ports:
1 WAN 10/100Base-T Ethernet(RJ-45 connector)
1 LAN 10/100Base-T Ethernet(RJ-45 connector)
1 Console(USB)
(5)LEDs:1Power and 8 groups of card online and running status indicator