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Voice over Cable (VoCable)

Table of Contents:
Definition and Overview
1. Introduction
2. Making Cable a Viable Telephony Medium
3. Challenges of Providing Toll-Quality Telephony Service on an IP Network
4. Fax Offers Additional QoS Challenges for Cable Networks
5. International Standards
6. Embedded Software Architecture
7. Fault Analysis
8. Summary
9. References
Self-Test
Glossary
Download PDFPDF of this tutorial
Self-Test
1. ATM and frame-relay services are targeted primarily at the home.
a. true
b. false
2. Cable service is targeted primarily at the enterprise.
a. true
b. false
3. Which of the following is the leading alternative to broadband cable?
a. broadband wireless
b. DSL
c. fiber
d. satellite
4. If buried cable is half duplex, it is capable of broadband transmission in the ___________ direction.
a. upstream
b. downstream
5. Full-duplex lines do not offer sufficient throughput to support cable-based IP telephony.
a. true
b. false
6. ____________ established universal ground rules for the transmission of packets across cablenetworks.
a. DOCSIS
b. MGCP
c. DAVIC
d. MCNS
7. While POTS is considered an extremely secure service, cable-based IP telephony is not.
a. true
b. false
8. Which of the following is present even in a conventional POTS network?
a. processing delay
b. jitter
c. lost packets
d. echo
9. The embedded software for cable-based IP telephony described in this tutorial supports MGCP and SIP.
a. true
b. false
10. Which of the following is used for diagnosing problems related to the telephony side of the network?
a. signal-level measurement
b. loop-back capability
c. packet network statistics
d. PCM sample trace
Glossary >>

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