Grandstream GXW 4004

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

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Local Numbers

Local Numbers The telephone number that is attached to a country, by dialing which it is necessary to take into account the code of the country or region you are calling to. When dialing the number from the same country you are calling to there is no need to enter the country code, but simply a phone number, sometimes a code of the region, might be a case when calling from one state or region to another, applicable to large counties (USA, Canada, Russia, China etc.).

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United States Palavon

Palavon Inc. was formed in 2004 to provide telephone service for small to medium sized businesses.It is our mission to improve our customers` communication relationships with their clients, vendors and employees. Palavon brings high-end cost effective bus

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