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Asterisk: The Future of Telephony by Leif Madsen, Jared Smith, Jim Van Meggelen

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Conventions Used in This Book

The following typographical conventions are used in this book:

Italic

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Constant width

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Constant width bold

Shows commands or other text that should be typed literally by the user. Also used for emphasis in code.

Constant width italic

Shows text that should be replaced with user-supplied values.

[ Keywords and other stuff ]

Indicates optional keywords and arguments.

{ choice-1 | choice-2 }

Signifies either choice-1 or choice-2.

Tip

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