There are some open source modules that do something similar*, including this one I wrote:

https://github.com/drachtio/drachtio-freeswitch-modules/tree/master/modules/mod_audio_fork

*by “similar” I mean it does not duplicate the RTP stream, headers and all, but rather sends the voice stream in linear16 format to a far-end websocket server that you provide.

Dave

On Jan 30, 2021, at 1:43 PM, Rasheed Kalapurackal <rasheed.kalapurackal@gmail.com> wrote:

Dear All , 

                  i am a newbie just started trying and learning Freeswitch platform. Until now my area of focus was call recording for various telephony platforms like Avaya, cisco , and many more..  i would like to know if there is any API available in Freeswitch platform for recording call by a third party application , by streaming the voice as a duplicate RTP stream to the IP of Call Recording application . what  I understood that there is Call Recording API like session recordFile  available in the ESL for recording the calls in the system itself.  But i couldnt find an option to record from a 3rd party application by getting the duplicate RTP stream. please let me know if any information is available on this query.   

Thanks and regards
Abdul Rasheed
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