CollabCorp is a global company with two clusters, emea.collab corp and apac.collab.corp. URI dialing is implemented and working in each cluster. The company configured routing between clusters to make

The correct answer is B. SIP route pattern E. SIP trunk. For inter-cluster URI dialing over SIP, two key elements are required: (1) A SIP Trunk connecting the two clusters - this provides the physical/logical signaling path between them. (2) A SIP Route Pattern - this tells CUCM how to route URI-based calls by matching the domain porti

Cisco Unified Communications Manager Dial Plan

Question

CollabCorp is a global company with two clusters, emea.collab corp and apac.collab.corp. URI dialing is implemented and working in each cluster. The company configured routing between clusters to make inter-cluster calls via URI. But this is not working as expected. Which two configuration elements should be checked to resolve this issue? (Choose two.)

Options

Adirectory URI partition
BSIP route pattern
Cintercluster trunk
Dcalling search space and partition
ESIP trunk

How the community answered

(33 responses)

A
3% (1)
B
79% (26)
C
6% (2)
D
12% (4)

Explanation

For inter-cluster URI dialing over SIP, two key elements are required: (1) A SIP Trunk connecting the two clusters - this provides the physical/logical signaling path between them. (2) A SIP Route Pattern - this tells CUCM how to route URI-based calls by matching the domain portion of the URI (e.g., @apac.collab.corp) and directing them over the appropriate SIP trunk. An intercluster trunk (option C) is used for SCCP or H.323 inter-cluster calling, not SIP URI routing. Directory URI partition and CSS (options A and D) affect within-cluster URI resolution, not inter-cluster routing.

Topics

#URI Dialing#Inter-cluster Routing#SIP Trunks#SIP Route Patterns

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