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Asterisk: The Future of Telephony, 2nd Edition
book

Asterisk: The Future of Telephony, 2nd Edition

by Jim Van Meggelen, Jared Smith, Leif Madsen
August 2007
Intermediate to advanced
608 pages
20h 33m
English
O'Reilly Media, Inc.
Content preview from Asterisk: The Future of Telephony, 2nd Edition

Customizing System Prompts

In keeping with the seemingly limitless flexibility of Asterisk, you can also modify the system prompts. This is very simple to explain, but generally difficult to do well.

With more than 300 system prompts in the main distribution, and an additional 600 in the asterisk-sounds add-on, if you’re contemplating customizing all of them you’d better have either a lot of money or a lot of time on your hands.

An audio engineer is also recommended to ensure that the recordings are normalized to –3 dB and that all prompts start and end at a zero-crossing point (with just the right amount of silence prepended and appended).

Once you have the recordings, the actual implementation is easy—simply replace the files in /var/lib/asterisk/sounds with the ones you have created.

Alternatively, you ...

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Publisher Resources

ISBN: 9780596510480Errata Page