Specifications 1) 8 port(32 SIM Card) wireless (GSM or CDMA) VOIP gateway.
2)support self billing,account balance display
3)OEM support

Products:

The SinoV-X500 is an analog GSM/CDMA/WCDMA Cellular VoIP Gateway that helps directly interconnect a SIP-supporting VoIP network with GSM/CDMA/WCDMA networks. Function: 1,Support 4/8 Channels 850/900/1800/1900MHz Quad-band GSM, 450MHz or 800/1900MHz Dual-band CDMA, 850/900/1800/1900/2100MHz WCDMA Cellular Network2,SMS receiving/batch sending, AT command compatible3,Support SIP registration and peer-to-peer4,Support encryption: RC4, VOS and SinoV private etc.5,Support Hotline, Phone book, Speed dial, Dial Plan6,Update firmware by local or internet7,Field proven compatible with Asterisk-based softswitches

Model	SinoV-508SG	SinoV-508SC	SinoV-508W
Number of Channels	8GSM 32 SIM card	8CDMA 32 SIM card	8WCDMA 32 SIM card
Frequency	850/900/1800/1900MHz	450MHz or 800/1900MHz	850/900/1800/1900/2100MHz
Call Control Protocols	SIP
Voice Codecs	G.729A, G.723.1, G.711 a/ulaw
Network Protocols	IPv4, TCP, UDP, PPPoE, DHCP, DNS, NAT, Telnet, HTTP, FTP, TFTP
Configuration and Maintenance	·Web-based GUI·Console, Telnet command line·Centralized network management
Firmware Update	Local file, FTP, TFTP and HTTP
Telephony Features	·Hot-line call·Dial plan·Speed dial·Phone book·CDR·LCR·White list
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
Voice Quality	·Echo cancellation·Silence suppression(voice activity detection, comfortable noise generation)·Adaptive jitter buffer
Number of Ports	·1 WAN 10/100Base-T ethernet(RJ-45 connector)·1 LAN 10/100Base-T ethernet(RJ-45 connector)·1 console(RJ-11 connector)
LEDs	1 power and 8 groups of signal strength and running indicator
Power Supply	100-240VAC, 50 - 60 Hz
Dimensions	·Rack mountable 1U chassis(compatible with 19" Rack)·Width: 482mm·Height: 44mm·Depth: 210mm
Weight	2.5kg
Operating Environment	·Operating temperature: 0 - 50ºC·Operating humidity: 10 – 90%
Warranty	12 Months