CLCOR ON Premises Call Control Practice Question
You need to implement redundancy for a remote site using Survivable Remote Site Telephony (SRST). Which parameter in the Device Pool ensures that the phones fail over to the local router during a CUCM WAN outage?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
SRST Reference
The 'SRST Reference' in the Device Pool points the IP phones to the local voice gateway to act as a backup call controller.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
AAR Calling Search Space
Why it's wrong here
This is used for Automated Alternate Routing.
- ✗
Cisco Unified CM Group
Why it's wrong here
This defines the CUCM primary/secondary server list, not SRST.
- ✓
SRST Reference
Why this is correct
The SRST Reference defines the IP address of the gateway to be used during an outage.
- ✗
Network Locale
Why it's wrong here
This defines the phone's country settings.
About these practice questions
One of 263 original CLCOR practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Cisco exam blueprint
This CLCOR practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CLCOR exam.