Tailspin Toys has completed the configuration for Enterprise Voice. You need to resolve the issue users are having with the Call Via Work functionality.
What should you do?
A . Create and apply a Call Via Work policy. Enable the policy.
B . Create and apply a client policy that enables the CallViaWork option.
C . Create and apply a voice policy. Enable the CallViaWork option.
D . Configure Call Via Work on the public switched telephone network (PSTN) trunk that connects to the PB
F . Create and apply a Call Via Work policy that specifies a value for the AdminCallBackNumber option.
Answer: A
Explanation:
References: https://technet.microsoft.com/en-gb/library/dn933908.aspx