Cisco 300-820 Question Answer
A company identifies a fraudulent toil situation. An engineer reviews the Cisco UCM call detail records and discovers that fraudulent calls originate from a Cisco Expressway-C server and are then routed to a 10-digit PSTN number. What must be configured to limit incoming Expressway calls to the internal Cisco UCM range of extensions 5XXXX?
Cisco 300-820 Summary
- Vendor: Cisco
- Product: 300-820
- Update on: Jul 27, 2025
- Questions: 207