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Conventions

In this book, you will find a number of styles of text that distinguish between different kinds of information. Here are some examples of these styles, and an explanation of their meaning.

Code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles are shown as follows: "Several built-in modules exist to assist in this, such as mod_lcr and mod_nibblebill, but the real beauty of FreeSWITCH's handling of calls in a wholesale scenario is due to four core building blocks."

A block of code is set as follows:

<?xml version="1.0" encoding="ISO-8859-1" ?>
<!DOCTYPE scenario SYSTEM "sipp.dtd">
<scenario name="FreeSWITCH: call extension 1001">
<!-- we send the intial INVITE -->
<send retrans="500" start_rtd="mer">
<![CDATA[

When we wish to draw your attention to a particular part of a code block, the relevant lines or items are set in bold:

<?xml version="1.0" encoding="ISO-8859-1" ?>
<!DOCTYPE scenario SYSTEM "sipp.dtd">
<scenario name="FreeSWITCH: call extension 1001">
<!-- we send the intial INVITE -->
<send retrans="500" start_rtd="mer">
<![CDATA[

New terms and important words are shown in bold.

Note

Warnings or important notes appear in a box like this.

Tip

Tips and tricks appear like this.

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