Model | SinoV-504G | SinoV-508G | SinoV-504C | SinoV-508C | SinoV-504W | SinoV-508W |
Number of Channels | 4GSM | 8GSM | 4CDMA | 8CDMA | 4WCDMA | 8WCDMA |
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 |
WEB:
Application:
1,GSM to VOIP
2,diagram:
Warranty and Return
1. All products have been checked and packaged in good condition before dispatc
2. Warranty: 1 year
3. Once you leave positive feedback, we will give you positive feedback
4. Please contact us before leaving any negative and neutral feedback. We will work with you to solve any problems.
5. We do our best to serve our each customer the best that we can.
6. If you confirm the item can`t work well due to the non-artificial factors please inform us within 15 days of receipt.
We offer a 100% money back guarantee. Return shipping is to be paid by the Buyer. On receiving items, we will
refund you immediately.
--A full refund will be given if items are returned in their original condition.
--Merchandise which is damaged or missing components is not refundable.