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Voice-over–Digital Subscriber Line (VoDSL) Service—New Revenue from Existing Infrastructure
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DSL Forum

Table of Contents:
Definition and Overview
1. The Market Opportunity of DSL
2. DSL Enables the Phone Line
3. Voice over DSL (VoDSL)
4. Broadband Loop Emulation Service (BLES) VoDSL
5. Voice over Multiservice Broadband Network
6. Summary
Self-Test
Glossary
Download PDFPDF of this tutorial
Self-Test
1. Voice and data traffic are equal in terms of network loading.
a. true
b. false
2. Voice services are estimated to command over ________ percent of telecommunications revenues.
a. 60
b. 70
c. 80
d. 90
3. __________ is believed to be the killer application that will cause demand for DSL to soar.
a. ADSL
b. SDSL
c. VoDSL
d. IDSL
4. With ___________, the network connection and the related bandwidth are not shared.
a. DSL
b. cable modems
5. ___________ is the most popular form of DSL today.
a. ADSL
b. HDSL
c. IDSL
d. HDSL
6. DSL networks are ____________.
a. packet-based
b. circuit-switched
7. With DSL, voice calls consume bandwidth when a call is inactive.
a. true
b. false
8. Any VoDSL solution must provide voice quality comparable to traditional telephone service.
a. true
b. false
9. Which of the following approaches to establishing VoDSL service requires a Class-5 switch?
a. BLES
b. VoMBN
10. With VoDSL, multiple service providers are involved.
a. true
b. false
Glossary >>

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