It is in the source code, and now GNU, (it didn't use to be though)
* Asterisk -- A telephony toolkit for Linux.
* Fax detection application for all channel types.
* Copyright (C) 2004-2005, Newman Telecom, Inc. and Newman Ventures, Inc.
* Justin Newman
* We would like to thank Newman Ventures, Inc. for funding this
* Asterisk project.
* Newman Ventures
* Portions Copyright:
* Copyright (C) 2001, Linux Support Services, Inc.
* Copyright (C) 2004, Digium, Inc.
* Matthew Fredrickson
* Mark Spencer
* This program is free software, distributed under the terms ofit is
* the GNU General Public License
There are other solutions!!