Câu 10: 500-710: Video infrastructure implementation

Which two statements about the relationship between the Expressway series and the Cisco Unified Communications Manager are true? (Choose two.)

1. A. The Expressway series can never operate as a standalone call-control solution.
2. B. The Expressway series only supports SIP-based communications. — đáp án hiện tại
3. C. The Expressway solution can be peered with a Cisco Unified Communications Manager to allow for greater capabilities.
4. D. The Expressway series may operate as a standalone call-control solution. — đáp án hiện tại
5. E. The Expressway series requires the peering with a Cisco Unified Communications Manager to act as a call-control device.