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Internet Protocol (IP)–Telephony Clearinghouses

Table of Contents:
Definition and Overview
1. Introduction
2. Clearinghouses: More Than Termination Points
3. Operations Models
4. Technical Requirements
5. The Business Case
6. Summary: Clearinghouse Operations Create Value
Self-Test
Glossary
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Self-Test
1. A VoIP clearinghouse is a(n) ________________ point.
a. origination
b. termination
2. VoIP clearinghouses provide multiple points of contact for termination of telephony minutes worldwide.
a. true
b. false
3. VoIP is emerging as the transport of choice for large-scale minutes exchange.
a. true
b. false
4. Which of the following is not true of VoIP?
a. Voice quality is superior to that of DCME.
b. All minutes are originated on IP.
c. Equipment costs are nearly double those of DCME plus circuit switch.
d. A single management interface for both IP and PSTN services is provided.
5. A clearinghouse need not occupy physical voice circuits or bandwidth to provide refile services.
a. true
b. false
6. Clearinghouse operations require several technical infrastructures to provide all four operations services to members.
a. true
b. false
7. The volume of IP–based telephony minutes is expected to grow more than ________ percent by 2002.
a. 50
b. 100
c. 200
d. 300
8. Which of the following is not a factor when calculating the expected revenue from wholesale minutes exchange?
a. the number of partners
b. termination rates offered into the host country
c. origination rates offered by the host country
d. expected minutes volume
9. Termination rates are typically lower for small operators.
a. true
b. false
10. Bandwidth-based services are a strong source of revenue in the short term.
a. true
b. false
Glossary >>

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