Which purpose of the Cisco Spark Hybrid Call Service, Call Service Aware is true?

Which purpose of the Cisco Spark Hybrid Call Service, Call Service Aware is true?
A . It allows the Cisco Spark App to register to the Cisco Unified Communication Manager.
B . It allows users to make and receive calls on their Cisco device or Spark application using the same dialing procedure as with on-premises registered endpoints.
C . It allows simple screen sharing between the two users.
D . It allows third-party endpoints to register to the Cisco Spark Cloud.

View Answer

Answer: C