When you attempt to login an Avaya Workplace client using TLS, it fails and displays the error: Phone service problem: T

[answerhappygod]

When you attempt to login an Avaya Workplace client using TLS, it fails and displays the error:
Phone service problem: The server certificate is not trusted.
Which action would you take to resolve this error?

A. Import the Identity Certificate from the Security menu of the Workplace client into the Avaya Aura Session Manager (SM) Identity certificate on Avaya Aura Communication Manager (CM).
B. Install the Certificate Authority certificate that signed the Avaya Aura Session Manager (SM) Identity certificate into the Trusted Root Certificate Authorities on the PC.
C. Export the identity certificate from Avaya Aura Session Manager (SM) and import it into the PC using copy and paste.
D. Install the Avaya Aura Session Manager (SM) Identity certificate into the Trusted Root Certificate Authorities on Avaya Aura Communication Manager (CM).