What is the correct configuration order of call routing to support off-net call routing?

Question

Options

• Adevice, route group, route list, route pattern
• Broute list, route group, route pattern, device
• Croute pattern, route list, route group, device
• Ddevice, route list, route group, route pattern

• A
  93% (39)
• C
  2% (1)
• D
  5% (2)

Explanation

In Cisco Unified Communications Manager (CUCM), off-net call routing is built bottom-up. You first configure the physical or logical destination device (gateway or SIP trunk). That device is then added to a Route Group, which is a logical grouping of devices for load balancing or failover. The Route Group is then added to a Route List, which defines the order in which route groups are tried. Finally, a Route Pattern is created that matches the dialed digits and points to the Route List. This hierarchical structure (device → route group → route list → route pattern) is the required configuration sequence - each layer depends on the one below it being configured first.

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