Hi, I'm trying to connect Teams with Kamailio.

I'd configured and it works, but a few days ago, calls Teams to kamailio no works.

I call from Teams and in Kamailio I see the call, ring the extensions in Kamailio, but after 6 seconds, the call hangup.

I received the INVITE, I send Trying and 200 Ok, but never received ACK from Teams.

Anyone knows how can I check it?

I have configurated SBC in teams like https://skalatan.de/en/blog/kamailio-sbc-teams

Thanks