Deploying Voice over Wireless LANs

Chapter 3. VoWLAN Signaling Fundamentals

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Upon completing this chapter, you will be able to

• Understand the attributes of voice and video signals.

• Explain the basics of VoIP call control.

• Compare and contrast the various VoIP standards, such as H.323, SCCP, and SIP.

• Describe impairments that impact voice calls over wireless networks.

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VoWLAN systems use voice signals, which are not well understood by the typical IT professional. As a result, this chapter is necessary to provide an overview of the primary elements of voice communications, such as voice characteristics, analog-to-digital conversion, compression techniques, call signaling standards, and so on. The idea is to provide the basics of Voice over ...