300-070 · Question #244
When configuring Cisco Unified Communications Manager, witch configuration, lion enables phones, to automatically reregister to a Cisco Unified Communications, Manager publisher when the connection…
The correct answer is D. Cisco Unified CM Group. The Cisco Unified CM Group (D) defines an ordered list of CUCM servers (publisher and subscribers) that IP phones use for registration and failover. Each Device Pool is assigned a Cisco Unified CM Group, and phones register to servers in the priority order defined in that…
Question
When configuring Cisco Unified Communications Manager, witch configuration, lion enables phones, to automatically reregister to a Cisco Unified Communications, Manager publisher when the connection to the subscriber is lost?
Options
- ASRST
- BDevice Pool
- CRoute Group
- DCisco Unified CM Group
How the community answered
(56 responses)- A5% (3)
- B4% (2)
- C2% (1)
- D89% (50)
Explanation
The Cisco Unified CM Group (D) defines an ordered list of CUCM servers (publisher and subscribers) that IP phones use for registration and failover. Each Device Pool is assigned a Cisco Unified CM Group, and phones register to servers in the priority order defined in that group. When a subscriber becomes unavailable, phones automatically attempt to re-register with the next server in the CM Group list, which can include the publisher. SRST (A) provides fallback to a local router when all CUCM servers are unreachable - it does not redirect back to the publisher. Device Pool (B) assigns cluster resources but does not itself control failover order. Route Group (C) is a call routing construct unrelated to phone registration.
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