Cisco Exam Questions

what must be present for SRST to work successfully?

When implementing a dial plan for multisite deployments, what must be present for SRST to work
successfully?

A.
dial peers that address all sites in the multisite cluster

B.
translation patterns that apply to the local PSTN for each gateway

C.
incoming and outgoing COR lists

D.
configuration of the gateway as an MGCP gateway