Thanks for replying, Fred!
The client default was already set to no verification: [client:default] verify_certificate = no require_certificate = no
This is the TLS config: [server:193.19x.x.x:5061] method = TLSv1.2+ verify_certificate = no require_certificate = no private_key = /etc/kamailio/privkey.pem certificate = /etc/kamailio/fullchain.pem server_name = sbctest.tel.redacted.xx server_id = sbctest.tel.redacted.xx server_name_mode = 1 verify_depth = 3
[server:default] private_key = /etc/kamailio/privkey.pem certificate = /etc/kamailio/fullchain.pem verify_certificate = no require_certificate = no server_name = localhost
As the Grandstreams are already registering over TLS, I assume that the correct protocol is already configured. Any other suggestions?
Regards, Dries