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Prepaid Wireless Service Billed in Real Time

Table of Contents:
Definition and Overview
1. Network Architecture
2. Positive-Balance Call Origination
3. Positive-Balance Call Termination
4. Mid-Call Zero Talk Time at Home
5. Zero Talk Time at Home
Self-Test
Glossary
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Self-Test
1. Real-time billing of prepaid accounts decreases the wireless provider's credit exposure.
a. True
b. False
2. The ______________ is a SS7 network packet switch.
a. SIU
b. ICC
c. STP
d. S_MSC
3. The _______________ is an adjunct switch that controls prepaid calls and processes IVR messages.
a. ICC
b. SIU
c. RSU
d. Market Server
4. When the S_MSC detects an origination attempt, it sends an _______________ to the RSU.
a. orreq
b. ODISCONNECT
c. OANSWER
d. ORREQ
5. The RSU does not allow the S_MSC to connect the call if the prepaid account balance is sufficient to make the call.
a. True
b. False
6. Before terminating a call to the subscriber, the S_MSC must first:
a. start timing the call
b. calculate the available talk time
c. send a LOCREQ to its HLR
d. send an ANLYZD to the RSU
7. If the subscriber's account reaches zero during a call, the S_MSC does not disconnect the call.
a. true
b. false
8. The _______________ message directs the RSU to stop timing the call.
a. ORREQ
b. ODISCONNECT
c. CCDIR
d. Odisconnect
9. If a subscriber attempts to make a call with a zero account balance, the S_MSC connects the call.
a. true
b. false
10. The WIN platform rests upon the following network(s):
a. SS7
b. TCP/IP
c. Voice
d. All of the Above
Glossary >>

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