Voice over IP (VoIP) Instructor Matrix

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1 1 Voice over Instructor Matrix The following matrix illustrates the relationships among the following types of content: Online (VoIP) Essentials Course/ Lesson 1: Section 1: : Section 1 Define Internet. Identify key applications of Internet telephony. Key VoIP Applications Identify the goals of using Identify the seven key applications of Making an Internet Call Differentiate between the PSTN and the Internet for voice transmissions. Define PCM. Identify the three steps in PCM. Define gateway. Identify the steps to make an Internet call.

2 2 (VoIP) Essentials Course/ VoIP and the intranet Define intranet. Differentiate between the Internet and an intranet for Identify the key challenges to Lesson 2: Gateways Section 2: Gateways : Section 2 Gateway Functions Identify the five functions of the VoIP gateway. Define the gatekeeper function. Define the connection function. Voice Compression and Decompression Define voice compression and decompression. Identify the role of the codec. Define talk spurt. Fax Demodulation and Remodulation Define fax demodulation and remodulation. Differentiate between UDP and TCP/IP in VoIP transmissions.

3 3 (VoIP) Essentials Course/ Gateway Interfacing Identify common analog and digital interfaces. Describe T1 and E1 connections. Lesson 3: Bandwidth Consumption Section 3: Bandwidth Consumption : Section 3 Define bandwidth. Silence Suppression Define half-duplex. Define full-duplex. Define silence suppression. Trunk Duty Cycle Describe the trunk duty cycle. Define calculations for duty cycle. Identify the effect of truck duty cycle on bandwidth consumption. Carrying Capacity Define carrying capacity for Define residual capacity.

4 4 (VoIP) Essentials Course/ Lesson 4: QoS Issues Section 4: QoS Issues : Section 4 Explain the significance of QoS to Network Delay and Jitter Define network delay and jitter. Identify solutions to network delay and jitter. Packet Handling Define packet prioritization and segmentation. Identify the role of prioritization and segmentation in maintaining QoS for Silence Suppression Identify the role of silence suppression in maintaining QoS for Echo Cancellation Define echo cancellation. Identify industry standards for echo cancellation. Identify the role of echo cancellation in maintaining QoS for Connection QoS Identify the role of the gateway in maintaining QoS for

5 5 (VoIP) Essentials Course/ Lesson 5: PC Phones Section 5: PC Phones : Section 5 Using PCs as Phones Differentiate between using a PC as a phone, and using a VoIP gateway. Identify advantages of using a PC as a phone. PC Phone Applications Identify applications for using a PC as a phone. Lesson 6: Standards Section 6: Standards : Section 6 VoIP Standards Define H.323. Identify G.7xx standards. Define G Identify H.2xx standards Define RSVP.

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