After an engineer implements load balancing in the Cisco CMS cluster, they observe that shortly...

Vendor: Cisco
Product: 300-820
Update on: Jul 27, 2025
Questions: 207

Cisco 300-820 Question Answer

After an engineer implements load balancing in the Cisco CMS cluster, they observe that shortly after the second Call Bridge is added to the cluster, calls into a space randomly disconnect when the calls are from endpoints registered with Cisco UCM. Which action resolves the issue?

Enable "Accept Out-of-dialog REFER" on the SIP Trunk security profile.

Enable "Accept Unsolicited Notification" on the SIP Trunk security profile.

Enable "Accept Presence Subscription" on the SIP Trunk security profile on Cisco UCM.

Enable "Accept Replaces Header" on the SIP Trunk security profile on Cisco UCM.