Linksys SPA9000 Manual De Usuario
4
Chapter 2: Applications for the IP Telephony System
How Does the IP Telephony System Fit into My Business or Home?
How Does the IP Telephony System Fit into My Business or Home?
IP Telephony System
Chapter 2: Applications for the IP Telephony System
How Does the IP Telephony System Fit into My Business or Home?
High-speed Internet access is a valuable resource. When you have more than one computer, chances are you
want to share that Internet access with all of your computers. That’s when you create a network, a collection of
devices connected to each other. A device called a router connects computers and other devices, so they can
share a high-speed Internet connection and other resources, including data and printers.
want to share that Internet access with all of your computers. That’s when you create a network, a collection of
devices connected to each other. A device called a router connects computers and other devices, so they can
share a high-speed Internet connection and other resources, including data and printers.
One of the biggest benefits of the Internet is data communications, either e-mail or web browsing, whether you
send a file to a client or download the latest software upgrade. With the System, you also get voice
communications.
send a file to a client or download the latest software upgrade. With the System, you also get voice
communications.
What Does the IP Telephony System Do?
The System connects multiple Internet phones to an Internet phone service. The System manages and routes all
calls. Incoming calls go to the auto-attendant, an automated greeting system, or correct internal extension (each
phone has its own extension number). Outgoing calls go to the correct external phone number (you can have
more than one external phone number).
calls. Incoming calls go to the auto-attendant, an automated greeting system, or correct internal extension (each
phone has its own extension number). Outgoing calls go to the correct external phone number (you can have
more than one external phone number).
You can have not only more than one external phone number, but also up to four Internet Telephony Service
Providers (ITSPs) for maximum flexibility.
Providers (ITSPs) for maximum flexibility.
A Typical Scenario
Typically, you connect the Internet port of the System to a local network port of your router. Then connect a switch
to another local network port of your router. Use this switch to connect Internet phones, computers, and other
devices. Then connect an administration computer to the Ethernet port of the System.
to another local network port of your router. Use this switch to connect Internet phones, computers, and other
devices. Then connect an administration computer to the Ethernet port of the System.
If you have analog telephones or fax machines, you can connect them to the Phone ports, so you can also use
those phones to make Internet phone or fax calls. (More details are available in “Chapter 4: Getting Started.”)
those phones to make Internet phone or fax calls. (More details are available in “Chapter 4: Getting Started.”)
SPA941
Cable/DSL Modem
Analog
Phone
Internet
Desktop
Computer
Switch
SPA941
Administration
Computer
Fax
SPA941
Router
NOTE: The basic configuration of the System lets you connect up to four Internet phones and use
up to four ITSPs. To expand the basic configuration, contact your primary ITSP for more
information.
up to four ITSPs. To expand the basic configuration, contact your primary ITSP for more
information.
Figure 2-1: A Scenario for the IP Telephony System
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