Polycom IP 320 Administrator's Manual page 402

Administrator's Guide for the SoundPoint IP / SoundStation IP / VVX Family
D - 12
John Bowler
Kevin Bracey
Sam Bushell
Magnus Holmgren
Greg Roelofs
Tom Tanner
libpng versions 0.5, May 1995, through 0.88, January 1996, are Copyright (c)
1995, 1996 Guy Eric Schalnat, Group 42, Inc.
For the purposes of this copyright and license, "Contributing Authors" is
defined as the following set of individuals:
Andreas Dilger
Dave Martindale
Guy Eric Schalnat
Paul Schmidt
Tim Wegner
The PNG Reference Library is supplied "AS IS". The Contributing Authors
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Permission is hereby granted to use, copy, modify, and distribute this source
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1. The origin of this source code must not be misrepresented.
2. Altered versions must be plainly marked as such and must not be
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3. This Copyright notice may not be removed or altered from any source or
altered source distribution.
The Contributing Authors and Group 42, Inc. specifically permit, without fee,
and encourage the use of this source code as a component to supporting the
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Libpng is OSI Certified Open Source Software. OSI Certified Open Source is a
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Glenn Randers-Pehrson
glennrp at users.sourceforge.net
September 10, 2009