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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What is Gmail Service — Benefits and Disadvantages

The Gmail service is one of the oldest free email clients available on the Internet. Originally it was by invitation only and each user had a limited amount of invitations to send out to their friends, family or colleagues. Nowadays though, anyone can sign up to use it. Traditionally, it also offered one of the most generous storage, which was many hundreds of megabytes, even gigabytes greater than the major competitors Yahoo! and Microsoft. Right now it offers about 2.5GB in the free service, but this can be increased and is also increasing naturally by itself on a daily basis. People were often using the Gmail service as a storage space.

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Castle Co Ltd

The group (ANWAR NAJD) was established in 1978 as a supplier and installer of power transmission line. In 1987 we have entered the IT market as a system builder and a retailer under the name BITCOM.

Due to the rapid growth of the IT division and