ZyXEL NBG-460N User Guide - Page 229
Technical References
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Chapter 17 Bandwidth Management Click Management > Bandwidth MGMT > Monitor to open the bandwidth management Monitor screen. Figure 140 Management > Bandwidth MGMT > Monitor 17.7 Technical References The following section contains additional technical information about the NBG460N features described in this chapter. 17.7.1 Predefined Bandwidth Management Services The following is a description of some services that you can select and to which you can apply media bandwidth management in the Management > Bandwidth Management > Advanced screen. Table 77 Media Bandwidth Management Setup: Services SERVICE DESCRIPTION FTP File Transfer Program enables fast transfer of files, including large files that may not be possible by e-mail. WWW The World Wide Web (WWW) is an Internet system to distribute graphical, hyper-linked information, based on Hyper Text Transfer Protocol (HTTP) - a client/server protocol for the World Wide Web. The Web is not synonymous with the Internet; rather, it is just one service on the Internet. Other services on the Internet include Internet Relay Chat and Newsgroups. The Web is accessed through use of a browser. E-Mail Electronic mail consists of messages sent through a computer network to specific groups or individuals. Here are some default ports for e-mail: VoIP (SIP) Sending voice signals over the Internet is called Voice over IP or VoIP. Session Initiated Protocol (SIP) is an internationally recognized standard for implementing VoIP. SIP is an application-layer control (signaling) protocol that handles the setting up, altering and tearing down of voice and multimedia sessions over the Internet. SIP is transported primarily over UDP but can also be transported over TCP. NBG-460N User's Guide 229