[asterisk-dev] Zaptel/Octasic License

[Jeffrey C. Ollie]

Some of the files in Zaptel have what appears to be a non-GPL license
attached to them.  One in particular is include/apilib/octapi_bt0.h
which has this at the top of the file:

        Copyright (c) 2001 Octasic Inc. All rights reserved.
        
        Description:
        
        This source code is Octasic Confidential. Use of and access to this code
        is covered by the Octasic Device Enabling Software License Agreement.
        Acknowledgement of the Octasic Device Enabling Software License was
        required for access to this code. A copy was also provided with the release.

If this license statement is accurate how can they be used in a program
that is otherwise GPL'd?  Here's a complete list of the files that
appear to have this license:

include/apilib/octapi_bt0.h
include/apilib/octapi_largmath.h
include/apilib/octapi_llman.h
include/octdef.h
include/octmac.h
include/octosdependant.h
include/octrpc/oct6100_rpc_protocol.h
include/octrpc/rpc_protocol.h
include/octtype.h
include/octtypevx.h
include/octtypewin.h

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