Grandstream GXW 4004
Grandstream GXW 4004 offers small organizations, home users, remote offices and companies with a territorial work system a high-performance solution with excellent price/quality ratio to more effectively manage the cost of communication, while expanding the functionality of existing telephone systems in organization. Grandstream GXW 4004 is a solution, which easily integrates into existing VoIP FXS phone systems and FXO gateways.
GXW 4004 was designed to be compatible with popular IP PBX soft switches and a big number of various SIP oriented devices. The device was developed using open standards. GXW4004 gateways have compact design, extraordinary quality of voice transfer, rich functionality, high security and unsurpassed price/quality ratio.
Technical Characteristics:
4 analog FXS ports
2x RJ-45 ports
TFTP and HTTP
SIP protocol (RFC3261)
T38 Support
Web Interface and configuration
RTP/RTCP/PPPoE support
QoS: Diffserv, TOS, 802.1p/q support
1 PSTN linear port RJ11 for Fail-Over PSTN
Registration of up to 2 SIP account per port
Audio codecs: G711u/a , G723, G726, G728, G729a/b/e, iLBC и T.38
DHCP client/server, NAT router
Security features TLS/SIPS/HTTPS/Telnet
Power 12V DC
FCC, CE standards
It is a type of communication between two ordinary phones, which are connected and voice transmits over telecommunication network.
First Telecom Ltd
At First Telecom we fully understand convergence across telecoms, IT services and software. We invest heavily in researching what is happening in the global market, which is dynamic and full of risk and reward. We track changes and identify threats and op
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