Trustworthy
Proceed as follows:
• Using the Configuration Manager (page Administration > Certificates)
If checking of the server certificate against the root certificate (or stack of certificates) stored in the PBX does not fail, the connection will be set up and the certificate will be regarded as trustworthy.
Issuer
The column displays the issuer of the certificate.
Issued on
The column displays when the certificate has been issued.
Valid until
The column displays the validity period of the certificate.
 Import
Select a certificate that is stored on a data storage device and store it in the PBX.