ZyXEL 793H 사용자 가이드
Chapter 3 Wizards
P-793H User’s Guide
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Launch your web browser and navigate to
www.zyxel.com
. If you cannot access the Internet,
open the web configurator again to confirm that the Internet settings you configured in the
wizard setup are correct.
Internet access is just the beginning. Refer to the rest of this guide for more detailed
information on the complete range of ZyXEL Device features.
wizard setup are correct.
Internet access is just the beginning. Refer to the rest of this guide for more detailed
information on the complete range of ZyXEL Device features.
3.2 Bandwidth Management Wizard
Use these screens to control the amount of bandwidth going out through the ZyXEL Device’s
WAN port and prioritize the distribution of the bandwidth. This helps keep one service, or
application, from using all of the available bandwidth and shutting out other services.
The following table describes the services you can select.
WAN port and prioritize the distribution of the bandwidth. This helps keep one service, or
application, from using all of the available bandwidth and shutting out other services.
The following table describes the services you can select.
Table 12 Bandwidth Management Setup: Services
SERVICE
DESCRIPTION
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
POP3 - port 110
IMAP - port 143
SMTP - port 25
HTTP - port 80
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.
NetMeeting
(H.323)
A multimedia communications product from Microsoft that enables groups to
teleconference and videoconference over the Internet. NetMeeting supports VoIP,
text chat sessions, a whiteboard, and file transfers and application sharing.
NetMeeting uses H.323. H.323 is a standard teleconferencing protocol suite that
NetMeeting uses H.323. H.323 is a standard teleconferencing protocol suite that
provides audio, data and videoconferencing. It allows for real-time point-to-point
and multipoint communication between client computers over a packet-based
network that does not provide a guaranteed quality of service.
H.323 is transported primarily over TCP, using the default port number 1720.
H.323 is transported primarily over TCP, using the default port number 1720.
VoIP (H.323)
Sending voice signals over the Internet is called Voice over IP or VoIP.
H.323 is a standard teleconferencing protocol suite that provides audio, data and
H.323 is a standard teleconferencing protocol suite that provides audio, data and
videoconferencing. It allows for real-time point-to-point and multipoint
communication between client computers over a packet-based network that does
not provide a guaranteed quality of service.
H.323 is transported primarily over TCP, using the default port number 1720.
H.323 is transported primarily over TCP, using the default port number 1720.
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,
SIP is transported primarily over UDP but can also be transported over TCP,
using the default port number 5060.
Telnet
Telnet is the login and terminal emulation protocol common on the Internet and in
UNIX environments. It operates over TCP/IP networks. Its primary function is to
allow users to log into remote host systems. Telnet uses TCP port 23.