4 Port Wireless GSM Voip Gateway

Model

SinoV-S504G

SinoV-S508G

Number of Channels

4GSM

8GSM

Frequency

850/900/1800/1900MHz

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 andMaintenance

·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: 260mm

·Height: 40mm

·Depth: 170mm

Weight

1.5kg

Operating Environment

·Operating temperature: 0 - 50ºC

·Operating humidity: 10 – 90%

Warranty

12 Months