PBX Integration Board User's Guide

1. How to Use This Manual
1.4. Documentation Conventions
The following documentation conventions are used throughout this manual:
• When terms are first introduced, they are shown in italic text.
• Data structure field names and function parameter names are shown in
boldface, as in maxsec.
• Function names are shown in boldface with parentheses, such as
d42_display( ).
• Names of defines or equates are shown in uppercase, such as T_DTMF.
• File names are italicized and in uppercase, such as D42DRV.EXE.
• Examples included in this manual show data that is stored in an application
buffer. The contents of a buffer are illustrated as follows:
Application buffers are typically 48 bytes long (plus a null). The actual data
(in HEX) is shown in the gray area. The bytes referenced in the example are
shown in boldface.
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