[Freeswitch-users] License of libzrtp for usage with FreeSWITCH?
brian at freeswitch.org
Fri Oct 1 06:56:16 PDT 2010
Since we do not ship with the lib its up to the end user to combine them. So the license concern is not an issue for the FreeSWITCH project. Its now on you to comply with all the licensing.
On Sep 30, 2010, at 8:55 PM, Patrick Lists wrote:
> Does anyone know what the license is of libzrtp for usage with
> FreeSWITCH? In the FreeSWITCH source I see a file docs/zrtp_agpl-3.0.txt
> but the libzrtp source itself is not included.
> So I got libzrtp-0.81.514 and in the source there is a file zrtp_legal.c
> that says:
> * libZRTP SDK library, implements the ZRTP secure VoIP protocol.
> * Copyright (c) 2006-2009 Philip R. Zimmermann. All rights reserved.
> * The version of the SDK library that is packaged with this legal
> notice is
> * NOT licensed under the GPL, AGPL, LGPL, or any other open source
> * For licensing terms or other information,
> * contact Philip R. Zimmermann <prz at mit.edu>.
> * For more contact information, see http://philzimmermann.com
> * This file must be packaged together with the rest of the libZRTP SDK
> * source code. That's why it's in a .c file.
> * This software may be subject to export controls by the US Commerce
> * Department's Bureau of Industry and Security. This software is provided
> * "as is," with no warranty expressed or implied.
> This is quite the opposite of what zrtp_agpl-3.0.txt suggests in the
> FreeSWITCH source.
> Any ideas?
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