Refer to the exhibit. An engineer must implement toll fraud prevention on a Cisco UCM cluster. Only the SIP protocol must be allowed for connections passing through Cisco Unified Border Element. What must be configured?
A global cybersecurity firm has a significant on-premises infrastructure, including several Cisco Unified Border Elements acting as local gateways for PSTN connectivity in various regional offices Which requirement is true when configuring a certificate-based trunk in Webex Calling?
Callers from a branch report getting busy tones intermittetly when trying to reach colleagues in other office branches during peak hours. An engineer collects Cisco
CallManager service traes to examine the situation. The traces show:
What should be fixed to resolve the issue?
Where is urgent priority enabled to bypass the T302 timer?
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