Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Source: http://downloads.asterisk.org/pub/asterisk
Upstream-Name: Asterisk

Files: *
Copyright: 2010-2014, Digium, Inc
License: GPL-2

Files: debian/*
Copyright: 2014, Tzafrir Cohen <tzafrir@debian.org>
License: GPL-2

License: GPL-2
 Asterisk is distributed under the GNU General Public License version 2
 and is also available under alternative licenses negotiated directly
 with Digium, Inc. If you obtained Asterisk under the GPL, then the GPL
 applies to all loadable Asterisk modules used on your system as well,
 except as defined below. The GPL (version 2) is included in this
 source tree in the file COPYING.
 .
 (On Debian systems you will find a copy of the GPL (version 2) at
 /usr/share/common-licenses/GPL-2).