ZyXEL Communications ADSL VoIP IAD with 802.11g Wireless 2602HW Series Guia do Utilizador descarregar pdf (Página 54)

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Prestige 2602HW Series User’s Guide

54 Chapter 1 Getting To Know Your Prestige

Figure 1 Prestige Internet Access Application

Internet Single User Account

For a SOHO (Small Office/Home Office) environment, your Prestige offers the Single User

Account (SUA) feature that allows multiple users on the LAN (Local Area Network) to access

the Internet concurrently for the cost of a single IP address

1.4.2 Making Calls via Internet Telephony Service Provider

In a home or small office environment, you can use the Prestige to make and receive VoIP

telephone calls through an Internet Telephony Service Provider (ITSP).

The following figure shows a basic example of how you would make a VoIP call through an

ITSP. You use your analog phone (A in the figure) and the Prestige (B) changes the call into

VoIP. The Prestige then sends your call through your modem or router (C) to the Internet and

the ITSP’s SIP server. The VoIP call server forwards calls to PSTN phones (F) through a

trunking gateway (E) to the PSTN network. The VoIP call server forwards calls to IP phones

(G) through the Internet.

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