Where is a Standard Local Route Group configuration applied?

Question

Options

• Ain each IP phone
• Bin each device pool
• Cin each location
• Din each region
• Ein each route list

• B
  91% (32)
• C
  3% (1)
• D
  6% (2)

Explanation

Device pools act as the central configuration point for the Standard Local Route Group because they define the "home site" of a device - CUCM looks up the calling device's device pool to dynamically substitute the correct local route group into the route list at call time. This allows a single route pattern and route list to serve multiple sites without duplication.

• A (IP phone): Individual phones don't hold routing group assignments; they inherit site-level settings from their device pool.
• C (Location): Locations are used for Call Admission Control (bandwidth management), not for routing gateway selection.
• D (Region): Regions govern audio codec negotiation between endpoints, unrelated to route group assignment.
• E (Route list): The route list references the Standard Local Route Group as a placeholder, but the actual route group substituted at runtime is resolved from the device pool - the route list itself doesn't define the mapping.

Memory tip: Think of the device pool as a phone's "home base" - it tells CUCM where the device lives, and therefore which local gateway it should route through. Standard Local Route Group = "use whatever gateway is configured in my home base (device pool)."

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