How can an installer identify if a customer has the Call Center Elite package?

How can an installer identify if a customer has the Call Center Elite package?
A . Check the System-Parameters Customer-Options Form and look for the "Call Center Elite" field.
B . Check the Feature-Related System Parameters and look for the "Call Center Elite" field.
C . Check the System-Parameters Customer-Options Form and look for the "EAS" field.
D . Check the System-Parameters Customer-Options Form and look for the "Vectoring (3-0 Enhanced) field.

Answer: C

Explanation:

Reference: Programming Call Vectors in Avaya Aura™ Call Center 6.0 Page 205