ZyXEL Communications P-870HW-I User Manual

P-870HW-I1 User’s Guide

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Chapter 4 Bandwidth Management Wizard

The following table describes the labels in this screen.

Use this screen to set the priority of the applications you selected in the previous screen.

Table 26   BWM Wizard: Services Setup

Xbox Live

This is Microsoft’s online gaming service that lets you play multiplayer Xbox games 

on the Internet via broadband technology. Xbox Live uses port 3074.

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, using 

the default port number 5060. 

FTP

File Transfer Program enables fast transfer of files, including large files that may not 

be possible by e-mail. FTP uses port number 21.

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: 
POP3 - port 110
IMAP - port 143
SMTP - port 25
HTTP - port 80

eMule/eDonkey

These programs use advanced file sharing applications relying on central servers to 

search for files. They use default port 4662.

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.

Back

Click this to return to the previous screen.

Next

Click this to save your changes on this screen and to proceed to the next screen.

Exit

Click this to close the wizard without saving the changes on this screen.