goip 16 port 64 sims gsm 3g gateway
1. Support IMEI change automatically and support USSD
2. Support automatically detect the ACD ASR
3. Support automatically detect the sim card whether it blocked
4. Save your internet bandwidth ,15kb for 1 call
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Channels:
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16
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Frequency
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GSM: 850/900/1800/1900MHz
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SIP Specification
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SIP/2.0 RFC3261
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Session Timer RFC4028
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STUN
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Network Protocols
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DHCP/PPPoE/VPN(pptp)
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NTP
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Telnet/HTTP/FTP/TFTP
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Encryption:VOS2000,RC4,XOP.Base64
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Telephony Features
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Hot-line call ,Dial plan, Speed dial, Phone book, CDR, LCR, White/
Black list
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Telephony Signaling
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DTMF tone dectection/generation
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DTMF relay: in-band, RFC 2833 and SIP info
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Call forward: unconditional, no answer and busy
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N-way conferencing
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Caller ID display/generation, Mobile Number Portability
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Voice Capability
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Voice codecs:G729a/b/e,G723.1,G.711 A/U law
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Echo cancellation
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Silence suppression & detection(VAD, CNG)
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Adaptive jitter buffer
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Volume adjustable
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IVR customized
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Number of Ports
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1 WAN 10/100Base-T Ethernet(RJ-45 connector)
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1 LAN 10/100Base-T Ethernet(RJ-45 connector)
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1 Console(USB)
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LEDs
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1 Power and 16 cards online and running status indicator
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Power Supply
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100-240VAC, 50 - 60 Hz IN, 12V/5A OUT
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