Hello,

you have to replace the Rx interface with N5, which is not a dedicated module, but you have to implement it in the config file. You can use http_client for example to interact with PCF from Kamailio, and eventually nghttp2 if you expect some callbacks/notifications to be returned to Kamailio. Alternatively, you can use embedded python3 or Lua for such purposes.

To deal with json, the jansson module is a good option in Kamailio, or, again, embedded interpreters could be the alternative.

The demo was done on TU Berlin AV testbed running development version of Kamailio, their configs are specific to their infrastructure and additional components, probably just not going to be simply published. But everything on Kamailio was done with the stock/public git master branch.

As for a starting point, Kamailio has sample configs for VoLTE, on its git repo (misc/examples/) or you can find some tutorials by various people on the web. Follow the Rx related functions in those configs and replace with N5.

Cheers,
Daniel

On 30.04.24 07:00, Viabhav Bansal via sr-dev wrote:
Hey there!

I hope the Kamailio team is physically as well as mentally healthy and thriving towards progressive development.
I am a part of a team which deals in development of converged 4G and 5G networks. 
We have been diving deep into Open5GS 5G core and use Kamailio as our SIP server.
However, we are trying to successfully implement VoNR UE registration as well as calling, and facing challenges in that area.
I recently saw the VoNR as well as SMSoNR demonstration which the Kamailio team performed and was massively impressed by it! I would like to know when will the N5 SBI update will be rolling out to the public so that we can conduct our testing as well.

Hoping for a timely response and update,
Thanks and regards,
Vaibhav.

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