Appendix A. Answers to the “Do I Know This Already?” Quizzes and Q&A Sections

Chapter 1

“Do I Know This Already?” Quiz



The benefits of packet telephony networks include these:

  • More efficient use of bandwidth and equipment

  • Lower transmission costs

  • Consolidated network expenses

  • Improved employee productivity

  • Access to new communication devices


Following are the components of a packet telephony (VoIP) network:

  • Phones

  • Gateways

  • Multipoint control units

  • Application servers

  • Gatekeepers

  • Call agents

  • Video end points


The analog interfaces through which legacy analog devices can connect to a VoIP network include these:

  • FXS

  • FXO

  • E&M


The digital interface options to connect VoIP equipment to PBXs ...

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