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300-815 · Question #72
300-815 Question #72: Real Exam Question with Answer & Explanation
The correct answer is C: The administrator must allow connectivity so that TCP connections do not fail between the nodes.. See the full explanation below for the reasoning.
Signaling and Call Control Protocols
Question
Refer to the exhibit. An administrator has configured a SIP trunk between two Cisco UCM clusters. For calls that should use the trunk, the calls fail with a fast busy. The administrator checks the Cisco CallManager SDL traces and found that the cluster to which the calling device is registered never sends an INVITE to the destination cluster. The administrator also verifies that all nodes from both clusters are powered on, and the CallManager service is running. How is this issue resolved?
Options
- AThe administrator must associate the route pattern with a calling search space the device can dial.
- BThe administrator needs to enable OPTIONS pings on the SIP trunks for both clusters.
- CThe administrator must allow connectivity so that TCP connections do not fail between the nodes.
- DThe administrator needs to disable OPTIONS pings on the SIP trunks for both clusters.
Topics
#SIP Trunk Troubleshooting#UCM Intercluster SIP#TCP Connectivity#Signaling Failure
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