You could try https://www.kamailio.org/docs/modules/devel/modules/pua_dialoginfo I did not have much luck with the module (it seemed to have intermittent issues with BLF lighting up/down) but I also did not invest a ton of time figuring it out. I ultimately took a different approach, which is to *extract* the presence out of other services (e.g. FreeSWITCH via ESL) using custom code and then publishing the presence updates via modules such as evapi <https://www.kamailio.org/docs/modules/devel/modules/evapi> or nsq <https://www.kamailio.org/docs/modules/devel/modules/nsq> or xhttp <https://www.kamailio.org/docs/modules/devel/modules/xhttp> combined with pua_json <https://www.kamailio.org/docs/modules/devel/modules/pua_json> and presence <https://www.kamailio.org/docs/modules/devel/modules/presence> modules. This approach seemed to provide the flexibility I needed and allowed me to expose an external API for controlling presence (e.g. fire MWI updates, parking lot update, etc...) I hope this helps! Thanks, Emmanuel On Mon, Dec 28, 2020 at 9:20 AM Michel Pelletier < michelpelletier07(a)gmail.com&gt; wrote: