<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On 10 Feb 2022, at 09:01, Daniel-Constantin Mierla <<a href="mailto:miconda@gmail.com" class="">miconda@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><meta charset="UTF-8" class=""><p style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">Hello,<br class=""></p><div class="moz-cite-prefix" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;">On 10.02.22 08:36, Henning Westerholt wrote:<br class=""></div><blockquote type="cite" cite="mid:PAXPR05MB85581BB214A3F0FEDAEC9F56BF2F9@PAXPR05MB8558.eurprd05.prod.outlook.com" style="font-family: Helvetica; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><div class="WordSection1" style="page: WordSection1;"><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span class="">Hello,<o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span class=""><o:p class=""> </o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" class="">just to add to the discussion:<o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" class=""><o:p class=""> </o:p></span></div><ul type="disc" style="margin-bottom: 0cm; margin-top: 0cm;" class=""><li class="MsoListParagraph" style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;"><span lang="EN-GB" class="">Please have a look to the GPLv2 FAQ, many topics you’ve raised are discussed there<span class="Apple-converted-space"> </span><a href="https://www.gnu.org/licenses/old-licenses/gpl-2.0-faq.html" moz-do-not-send="true" class="moz-txt-link-freetext" style="color: blue; text-decoration: underline;">https://www.gnu.org/licenses/old-licenses/gpl-2.0-faq.html</a><o:p class=""></o:p></span></li><li class="MsoListParagraph" style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;"><span lang="EN-GB" class="">You should really consult a lawyer for this specific questions<o:p class=""></o:p></span></li></ul><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" class=""><o:p class=""> </o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" class="">Regarding the licence of the configuration (native script vs. KEMI) – my understanding would be that a native Kamailio cfg script would be independent of GPL as its interpreted (and practically the customer gets the “source code” anyway). But KEMI LUA code that is pre-compiled would fall under the GPL, so the customer has a right to get the source code for it. Compare e.g., to this:<a href="https://www.gnu.org/licenses/old-licenses/gpl-2.0-faq.html#IfInterpreterIsGPL" moz-do-not-send="true" class="moz-txt-link-freetext" style="color: blue; text-decoration: underline;">https://www.gnu.org/licenses/old-licenses/gpl-2.0-faq.html#IfInterpreterIsGPL</a><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" class=""><o:p class=""> </o:p></span></div></div></blockquote><p style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">I guess that the pre-compile is done by the luac, because Kamailio does not have such feature. Kamailio can only load a lua script (plain or pre-compiled) and push it as a parameter to liblua functions. In my opinion this is only file/data loading from kamailio point of view, definitely does not seem a linking/compile operation. It can be seen as something similar to reading SIP messages from the socket (everything is a file descriptor in unix/linux philosophy) and I assume nobody considers that received/sent SIP messages have to be GPL.<br class=""></p><p style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">From this perspective, none of the config files (no matter they are native scripting, lua, python, javascript, etc...) are forced to be GPL, it is the decision of the config author what's its license.<br class=""></p></div></blockquote>I suggest that we formally clarify this just to avoid any misunderstandings, much like we did in Asterisk.</div><div><br class=""></div><div>/O<br class=""><blockquote type="cite" class=""><div class=""><p style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">Cheers,<br class="">Daniel</p><p style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><br class=""></p><blockquote type="cite" cite="mid:PAXPR05MB85581BB214A3F0FEDAEC9F56BF2F9@PAXPR05MB8558.eurprd05.prod.outlook.com" style="font-family: Helvetica; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><div class="WordSection1" style="page: WordSection1;"><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" class="">Cheers,<o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" class=""><o:p class=""> </o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" class="">Henning<o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" class=""><o:p class=""> </o:p></span></div><div class=""><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" class="">--<span class="Apple-converted-space"> </span><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" class="">Henning Westerholt –<span class="Apple-converted-space"> </span></span><span class=""><a href="https://skalatan.de/blog/" moz-do-not-send="true" style="color: blue; text-decoration: underline;" class=""><span lang="EN-GB" style="color: rgb(5, 99, 193);" class="">https://skalatan.de/blog/</span></a></span><span lang="EN-GB" class=""><o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" class="">Kamailio services –<span class="Apple-converted-space"> </span></span><span class=""><a href="https://gilawa.com/" moz-do-not-send="true" style="color: blue; text-decoration: underline;" class=""><span lang="EN-GB" style="color: rgb(5, 99, 193);" class="">https://gilawa.com</span></a></span><span lang="EN-GB" class=""><o:p class=""></o:p></span></div></div><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span lang="EN-GB" class=""><o:p class=""> </o:p></span></div><div class=""><div style="border-style: solid none none; border-top-width: 1pt; border-top-color: rgb(225, 225, 225); padding: 3pt 0cm 0cm;" class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><b class="">From:</b><span class="Apple-converted-space"> </span>sr-users<span class="Apple-converted-space"> </span><a class="moz-txt-link-rfc2396E" href="mailto:sr-users-bounces@lists.kamailio.org" style="color: blue; text-decoration: underline;"><sr-users-bounces@lists.kamailio.org></a><span class="Apple-converted-space"> </span><b class="">On Behalf Of<span class="Apple-converted-space"> </span></b>Olle E. Johansson<br class=""><b class="">Sent:</b><span class="Apple-converted-space"> </span>Thursday, February 10, 2022 8:13 AM<br class=""><b class="">To:</b><span class="Apple-converted-space"> </span>Kamailio (SER) - Users Mailing List<span class="Apple-converted-space"> </span><a class="moz-txt-link-rfc2396E" href="mailto:sr-users@lists.kamailio.org" style="color: blue; text-decoration: underline;"><sr-users@lists.kamailio.org></a><br class=""><b class="">Subject:</b><span class="Apple-converted-space"> </span>Re: [SR-Users] SEMS license with kamailio and rtpengine<o:p class=""></o:p></div></div></div><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Hi Seven!<o:p class=""></o:p></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Note that many of these questions open a legal discussion that has been going on for many years. I base my answers on what I know, which may not be the full truth. Regardless, I have been involved in these kind of discussions for almost 30 years of working in open source.<o:p class=""></o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">First, note that there are two kind of situations to observe. One is when your application is executing in a system. The other is the license of the written source code files. <o:p class=""></o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Secondly, license and copyright are two different things. You always have the copyright to your source code.<o:p class=""></o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">In Kamailio there are source code files that have a different license than the rest of the files. That means that if you copy that source code and create a new product that license applies.<o:p class=""></o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Kamailio as a whole is released under GPL version 2. When you run Kamailio in your server, that license applies to it all, regardless of the license of various source code files.<o:p class=""></o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Also note that I base this discussion on a delivery of a system to a customer. When you run Kamailio as a service you do not deliver (according to GPL v2) and the customer doesn’t have the same rights to the source.<o:p class=""></o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Also note that (as other persons has pointed out) that it’s the recipient of the binaries that has the rights, not the world. If I am not your customer, I can’t demand the source code according to the GPL. The customer that receives the code has the right to do whatever they want with it - like publishing the source on GitHub for the world to enjoy.<o:p class=""></o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><br class=""><br class=""><o:p class=""></o:p></div><blockquote style="margin-top: 5pt; margin-bottom: 5pt;" class=""><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">10 feb. 2022 kl. 00:16 skrev Seven Du <<a href="mailto:dujinfang@gmail.com" moz-do-not-send="true" class="moz-txt-link-freetext" style="color: blue; text-decoration: underline;">dujinfang@gmail.com</a>>:<o:p class=""></o:p></div></div><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div class=""><div class=""><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">I have some questions on this, e.g. on Kamailio:<o:p class=""></o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">1. The core and some modules is GPL. I packaged that without change, and sell to a customer. and when the customer asks for source, I told him to download from the kamailio website, since I didn't change anything. Is that correct?<o:p class=""></o:p></div></div></div></div></blockquote><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">How you distribute the source code to the customer is irrelevant here. Note that if you end up having to provide it on a floppy disk or a USB stick, you can charge for that according to the GPL :-)<br class=""><br class=""><o:p class=""></o:p></div><blockquote style="margin-top: 5pt; margin-bottom: 5pt;" class=""><div class=""><div class=""><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">2. I can also host the source on my own website, with some more helper scripts for building and packaging. That should be better?<o:p class=""></o:p></div></div></div></div></blockquote><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">I can’t judge if it’s better or worse, it has very little relevance to with the license. Just make sure that you include the signatures made by the Kamailio team so the customer can trace it back to the source and make sure there’s no changes.<o:p class=""></o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><br class=""><br class=""><o:p class=""></o:p></div><blockquote style="margin-top: 5pt; margin-bottom: 5pt;" class=""><div class=""><div class=""><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">3. I write a new module, 100% code wrote from scratch, just follow the module guidelines or example code to expose/add hooks to core, dynamically loaded into kamailio. Do I need to use GPL or can it be any license or even closed source? can I sell the standalone module in binary?<o:p class=""></o:p></div></div></div></div></blockquote><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Your source code has to be licensed in a license that can end up being compatible with GPL. You can not have a commercial license on it, since when executing it as part of Kamailio, GPL applies.<o:p class=""></o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Since your module ends up being GPL while running in a system you deliver for a fee or for free to your customer, your customers has a right to the source code.<o:p class=""></o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><br class=""><br class=""><o:p class=""></o:p></div><blockquote style="margin-top: 5pt; margin-bottom: 5pt;" class=""><div class=""><div class=""><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">4. my module still should be GPL since I have to call GPL code in kamailio source, e.g. string functions in core. or maybe it's ok if string functions in kamailio core is BSD?<o:p class=""></o:p></div></div></div></div></blockquote><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">When executing ALL of Kamailio is GPL, including all linked modules.<o:p class=""></o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><br class=""><br class=""><o:p class=""></o:p></div><blockquote style="margin-top: 5pt; margin-bottom: 5pt;" class=""><div class=""><div class=""><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">5. If my module link to a 3rd party lib (e.g. libclosed-source.so or libclosed-source.a I think there's no difference?) which is not open source (but free to sell), can I sell it w/o the source of libclosed-source ?<o:p class=""></o:p></div></div></div></div></blockquote><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Linking means that you execute in the same processes and according to most this means that GPL applies. That’s why we have a lot of protocols where most people think that GPL does not apply, even though some people want to discuss that. In my personal view it’s ok to write commercial software that communicates over RPC or by using the http_client with Kamailio.<o:p class=""></o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">In Asterisk, the license specially permits this use of the various Asterisk protocols since there was discussions. Most Asterisk developers believed it wasn’t necessary and that GPL did not apply when using protocol based API’s. But nevertheless, just to avoid discussions, this was clarified in the license.<br class=""><br class=""><o:p class=""></o:p></div><blockquote style="margin-top: 5pt; margin-bottom: 5pt;" class=""><div class=""><div class=""><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">6. If answer to 5 is yes, I can write my own libclosed-source and sell with whatever license?<o:p class=""></o:p></div></div></div></div></blockquote><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">You can, but if it links to Kamailio in run-time, then it will at that point become GPL licensed regardless of what you have written. That’s why many companies stay away from GPL, especially libraries that are licensed with GPL, because it can affect your own licenses.<o:p class=""></o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><br class=""><br class=""><o:p class=""></o:p></div><blockquote style="margin-top: 5pt; margin-bottom: 5pt;" class=""><div class=""><div class=""><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">7. Regards to KEMI, if I write routing scripts with Lua (compiled with luac) and sell to a customer, should I open source the Lua code? The Lua code calls Kamailio core functions which might be GPL.<o:p class=""></o:p></div></div></div></div></blockquote><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">That is an interesting question which I’m not ready to answer. I think the intention of the Kamailio dev team is that your code should not be affected by GPL, but we may want to clarify that.<o:p class=""></o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">If you write a regular configuration script I would personally clearly think you have the rights to that. The idea with KEMI was to introduce modern ways of writing configuration scripts.<o:p class=""></o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><br class=""><br class=""><o:p class=""></o:p></div><blockquote style="margin-top: 5pt; margin-bottom: 5pt;" class=""><div class=""><div class=""><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Thanks. I don't mean to violate the GPL, just want to be clear and easier to understand the license.<o:p class=""></o:p></div></div></div></div></blockquote><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Always good to start the day with a GPL discussion :-)<o:p class=""></o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Cheers,<o:p class=""></o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">/O<br class=""><br class=""><o:p class=""></o:p></div><blockquote style="margin-top: 5pt; margin-bottom: 5pt;" class=""><div class=""><div class=""><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><div class=""><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">On Wed, Feb 9, 2022 at 9:05 PM Henning Westerholt <<a href="mailto:hw@gilawa.com" moz-do-not-send="true" class="moz-txt-link-freetext" style="color: blue; text-decoration: underline;">hw@gilawa.com</a>> wrote:<o:p class=""></o:p></div></div><blockquote style="border-style: none none none solid; border-left-width: 1pt; border-left-color: rgb(204, 204, 204); padding: 0cm 0cm 0cm 6pt; margin-left: 4.8pt; margin-right: 0cm;" class=""><p class="MsoNormal" style="margin: 0cm 0cm 12pt 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;">Hello,<br class=""><br class="">(just to add the obvious disclaimer that this is not legal advice, I am not a lawyer).<br class=""><br class="">> [Would it be ok] if it were [using] a standalone service to which Kamailio interfaced using very narrowly confined and general-purpose communication channels?<br class=""><br class="">I do not think there is a problem regarding to the GPL in this case. Interfacing over SIP/HTTP/RPC/XMLRPC or other standard mechanism to a dedicated process would not establish a close coupling between Kamailio and the other code.<o:p class=""></o:p></p></blockquote><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">I think it's correct. e.g. if you use evapi or http to talk to your service you don't have to open source your service code.<o:p class=""></o:p></div></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""> <o:p class=""></o:p></div></div><blockquote style="border-style: none none none solid; border-left-width: 1pt; border-left-color: rgb(204, 204, 204); padding: 0cm 0cm 0cm 6pt; margin-left: 4.8pt; margin-right: 0cm;" class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Cheers,<br class=""><br class="">Henning<br class=""><br class="">--<span class="Apple-converted-space"> </span><br class="">Henning Westerholt –<span class="Apple-converted-space"> </span><a href="https://skalatan.de/blog/" target="_blank" moz-do-not-send="true" class="moz-txt-link-freetext" style="color: blue; text-decoration: underline;">https://skalatan.de/blog/</a><br class="">Kamailio services –<span class="Apple-converted-space"> </span><a href="https://gilawa.com/" target="_blank" moz-do-not-send="true" class="moz-txt-link-freetext" style="color: blue; text-decoration: underline;">https://gilawa.com</a><br class=""><br class="">-----Original Message-----<br class="">From: sr-users <<a href="mailto:sr-users-bounces@lists.kamailio.org" target="_blank" moz-do-not-send="true" class="moz-txt-link-freetext" style="color: blue; text-decoration: underline;">sr-users-bounces@lists.kamailio.org</a>> On Behalf Of Alex Balashov<br class="">Sent: Wednesday, February 9, 2022 1:50 PM<br class="">To: Kamailio (SER) - Users Mailing List <<a href="mailto:sr-users@lists.kamailio.org" target="_blank" moz-do-not-send="true" class="moz-txt-link-freetext" style="color: blue; text-decoration: underline;">sr-users@lists.kamailio.org</a>><br class="">Subject: Re: [SR-Users] SEMS license with kamailio and rtpengine<br class=""><br class=""><br class="">> On Feb 9, 2022, at 7:46 AM, Henning Westerholt <<a href="mailto:hw@gilawa.com" target="_blank" moz-do-not-send="true" class="moz-txt-link-freetext" style="color: blue; text-decoration: underline;">hw@gilawa.com</a>> wrote:<br class="">><span class="Apple-converted-space"> </span><br class="">>> If modules are designed to run linked together in a shared address space, that almost surely means combining them into one program.”<br class="">><span class="Apple-converted-space"> </span><br class="">> This is exactly what applies to Kamailio due to the core and module architecture. The core and modules also share common data structures and memory segments.<br class=""><br class="">I see. So, practically, the only way a custom module could be considered meaningfully separate according to these criteria is if it were a standalone service to which Kamailio interfaced using very narrowly confined and general-purpose communication channels?<br class=""><br class="">— Alex<br class=""><br class="">--<span class="Apple-converted-space"> </span><br class="">Alex Balashov | Principal | Evariste Systems LLC<br class=""><br class="">Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)<br class="">Web:<span class="Apple-converted-space"> </span><a href="http://www.evaristesys.com/" target="_blank" moz-do-not-send="true" class="moz-txt-link-freetext" style="color: blue; text-decoration: underline;">http://www.evaristesys.com/</a>,<span class="Apple-converted-space"> </span><a href="http://www.csrpswitch.com/" target="_blank" moz-do-not-send="true" class="moz-txt-link-freetext" style="color: blue; text-decoration: underline;">http://www.csrpswitch.com/</a><br class=""><br class=""><br class="">__________________________________________________________<br class="">Kamailio - Users Mailing List - Non Commercial Discussions<br class=""> <span class="Apple-converted-space"> </span>*<span class="Apple-converted-space"> </span><a href="mailto:sr-users@lists.kamailio.org" target="_blank" moz-do-not-send="true" class="moz-txt-link-freetext" style="color: blue; 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text-decoration: underline;">https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users</a><o:p class=""></o:p></div></blockquote></div><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><br clear="all" class=""><o:p class=""></o:p></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">--<span class="Apple-converted-space"> </span><o:p class=""></o:p></div><div class=""><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">About:<span class="Apple-converted-space"> </span><a href="http://about.me/dujinfang" target="_blank" moz-do-not-send="true" class="moz-txt-link-freetext" style="color: blue; text-decoration: underline;">http://about.me/dujinfang</a><br class="">Blog:<span class="Apple-converted-space"> </span><a href="http://www.dujinfang.com/" target="_blank" moz-do-not-send="true" class="moz-txt-link-freetext" style="color: blue; 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text-decoration: underline;">https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users</a><o:p class=""></o:p></div></div></blockquote></div><div style="margin: 0cm 0cm 0cm 35.4pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div></div><br class=""><fieldset class="moz-mime-attachment-header"></fieldset><pre class="moz-quote-pre" wrap="">__________________________________________________________
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* <a class="moz-txt-link-freetext" href="https://www.asipto.com/sw/kamailio-advanced-training-online/" style="color: blue; text-decoration: underline;">https://www.asipto.com/sw/kamailio-advanced-training-online/</a></pre><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">__________________________________________________________</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><span style="caret-color: rgb(0, 0, 0); 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