Does not go traffic between two VPN connected clients.All filters are removed.VPN clients use the softphone and not hear each otherMaybe there are settings allowing traffic between the two VPN Clint?
Our problem was indeed in certificates, but certificates described in tls sip trust <trust bundle> section of configuration (there was old version of certs that was deleted from CUCM).Its odd but we got same configuration in 2.2.1 and 2.2.10 and all ...