On Wed, May 23, 2007 at 11:05:19AM +0200, Damjan Jovanovic wrote: > On Wed, 2007-05-23 at 15:47 +0700, Dome Charoenyost wrote: > > Thanks Damjan. > > Can i do this case. > > my staff go to customer site and install asterisk (or callweaver). > > after that they copy comercial and closesource module (like a billing > > or ivr) in to the box > > I can do right ? > > (Don't top-post bottom-posted replies, it's considered bad practice.) > > It probably depends on who owns the hardware and software on the > customer site. If it's all yours, and you just sell the services (phone > calls) provided by the system, AFAIK that's ok. Can someone else on this > list also comment on this?
Sure :-) Have your lawyers read both the GPL and the licenses under which you obtained the closed source module. Ask them for a legal opinion covered by their indemnity insurance and which they would be happy to defend in Court if necessary. I've not been around CW long enough to give guidance rather than personal opinion but I would say that closed source modules would be tolerable in the same way as they are for the Linux kernel. i.e. if they are self contained, dynamically loaded objects that do not require material changes to CW source, libraries or linkage they are fine. Otherwise you're distributing what the GPL calls a "derived work" and thus your customers have all the rights granted by the GPL to both CallWeaver _and_anything_you_have_added_. Note in particular: if you added stuff that wasn't yours the true owners would probably have little choice but to switch to GPL licensing for their product or to sue the ass off you to ensure there could be no valid claim of GPL applying to their product. See first paragraph. Get a legal opinon. Don't trust an opinion unless it's from a certified and insured professional :-) Mike -- Mike Jagdis Web: http://www.eris-associates.co.uk Eris Associates Limited Tel: +44 7780 608 368 Reading, England Fax: +44 118 926 6974 _______________________________________________ Callweaver-dev mailing list [email protected] http://lists.callweaver.org/mailman/listinfo/callweaver-dev
