Hi Alex,

Thank you very much for the response.

i did not understand your last phrase "You may not, however, sell SEMS per se". what is per se ?

as i said i only want to use the sems sbc module and eventually annoucement and ivr module. but thats all the functionnality i want from sems.

De : sr-users <sr-users-bounces@lists.kamailio.org> de la part de Alex Balashov <abalashov@evaristesys.com>
Envoyé : mardi 8 février 2022 17:51
À : Kamailio (SER) - Users Mailing List <sr-users@lists.kamailio.org>
Objet : Re: [SR-Users] SEMS license with kamailio and rtpengine

You do not need to purchase a licence to incorporate SEMS into a service platform to sell telephony to customers. You may not, however, sell SEMS per se.

That’s the very, very simple version.

—

Sent from mobile, with due apologies for brevity and errors.

On Feb 8, 2022, at 11:47 AM, Patrick Karton <patrickarton@hotmail.com> wrote:

Hello im using kamailio and rtpengine to build a custom SBC.

i was using freeswitch as my b2bua but i noticed a lot of issues when cps and simultaneous increased so i tried sems and i have better results.

But i do not really understand sems license so i want to know if i can use it.

i read from sems github
"It is licensed under dual 
 license terms, the GPL (v2+) and proprietary license. This
 program is released under the GPL with the additional exemption
 that compiling, linking, and/or using OpenSSL is allowed.

 For a license to use SEMS under non-GPL terms, please contact
 FRAFOS GmbH at info@frafos.com"
so my question is if i want to use sems as b2bua with kamailio and rtpengine and make profit of it do i need to purchase a license each time i want to sell it to a customer ?

Thanks.
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