Appendix A
Answers to the “Do I Know This Already?” Quiz Questions
Chapter 1
1. B, C. Both the CUBE and Expressway-C products exist at the collaboration edge and usually interface with public networks such as the Internet or the public switched telephone network (PSTN).
2. B. SIP trunks are leveraged by nearly every device within the Cisco collaboration ecosystem for call routing and supplementary features.
3. A, B. Endpoint registration and ad hoc conferencing are features offered natively by Unified CM. The other options listed here are best left to Expressway and CUBE.
4. C, D. SIP and H.323 are VoIP protocols for which CUBE can perform interworking. MGCP and SCCP are used to control analog and TDM endpoints on voice gateways, and WebRTC ...
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