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tille 2006-03-14 08:37:15 +00:00
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LDP/guide/docbook/Intro-Linux/chap11.xml
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@ -152,7 +152,7 @@ recording, editing and playing, to be included in Gnome. See <ulink url="http:/
<para>On the client side, the applications that you can use depend on your network configuration. If you have a direct Internet connection, there won't be any problems, provided that you know on what server you can connect, and usually that you also have a username and password to authenticate to the service.</para>
<para>If you are behind a firewall that does Network Address Translation (NAT), however, some services might not work, as they will only see the IP address of the firewall and not the address of your computer, which might well be unroutable over the Internet, for instance when you are in a company network and your IP address starts with 10., 192.168. or another non-routable subnet prefix. This depends on the protocol that is used by the application.</para>
<para>Also, available bandwidth might be a blocking factor: some applications are optimized for low bandwidth consumption, while others might require high bandwidth connections. This depends on the codec that is used by the application.</para>
<para>Among the most common applications are the Skype client, which has an interface that reminds of instant messaging, and <ulink url="http://www.counterpath/">X-Lite</ulink>, the free version of the <application>XTen softphone</application>, which looks like a mobile telephone. However, while these programs are available for free download and very popular, they are not free as in free speech: they use proprietary protocols and/or are only available in binary packages, not in source format.</para>
<para>Among the most common applications are the Skype client, which has an interface that reminds of instant messaging, and <ulink url="http://www.counterpath.com/">X-Lite</ulink>, the free version of the <application>XTen softphone</application>, which looks like a mobile telephone. However, while these programs are available for free download and very popular, they are not free as in free speech: they use proprietary protocols and/or are only available in binary packages, not in source format.</para>
<para>Free <emphasis>and open</emphasis> VoIP clients are for instance <ulink url="http://www.gnomemeeting.org/">GnomeMeeting</ulink> and <ulink url="http://www.wirlab.net/kphone/">KPhone</ulink>.</para>
<tip><title>Client hardware</title>
<para>While your computer, especially if it is a laptop PC, might have a built-in microphone, the result will be far better if you connect a headset. If you have the choice, opt for a USB headset, as it functions independently from existing audio hardware.</para>