Your customer has a communication Manager 6.0 branch location with SIP endpoints that need to survive a WAN failure when communication to the core or main Session Manager is unavailable.
Which solution will provide survivability to the remote location?
A. an S8300 configured as an local survivable processor (LSP)
B. a simplex server configured as an enterprise survivable server (ESS)
C. an S8300 or simplex server configured as a Survivable Remote
D. an S8300 01 simplex server configured for high availability (HA)