With this kind of tls.cfg ``` [client:default] verify_certificate = yes require_certificate = yes tls_method = TLSv1.2+ private_key = /etc/sip-proxy/certs/siika-key.pem certificate = /etc/sip-proxy/certs/siika-cert.pem ca_list = /etc/sip-proxy/certs/ca_list.pem
[server:default] verify_certificate = yes require_certificate = no server_name = test.tutpro.com tls_method = TLSv1.2+ private_key = /etc/sip-proxy/certs/siika-key.pem certificate = /etc/sip-proxy/certs/siika-cert.pem ca_list = /etc/sip-proxy/certs/ca_list.pem ``` SIP Proxy was able to verify client certificate and vice versa.