In the event that the central CUCM is unreachable, how will an endpoint identify which IP address to connect to for registration and call processing?
A) SRST Reference
B) Cisco Discovery Protocol
C) SRST router fallback config
D) DHCP Option 150

Question

Quizplus · Accepted Answer

SRST (Survivable Remote Site Telephony) Reference is used to provide call processing redundancy for Cisco IP phones when the central CUCM is unreachable.

In the Event That the Central CUCM Is Unreachable, How