Transcript Telephony Billing

Telephony Billing
Devin Jones
cs294-3
April 2, 2002
Simple Billing Overview
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Call is made
Call Data Record:
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Source, Destination #s
Start and End times
CDR stored until rated
Call is rated
Additional Tariffs/Credits assessed
Billing is run, invoices produced
Call Rating
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CDR examined:
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Nonbillable calls:
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an 800 number
a local call
a toll call
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Originating number
time the call was placed
distance between callers
Call Invoicing
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Usually once a month
Billing complexities Beyond rating:
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Volume discounts
Monthly fees, taxes
Options
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Current quotes based on CDR?
Drop nonbillable info?
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Storage vs. usage patterns
Support for electronic formats
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Business customers
Standard Issues
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Reliability
Accuracy
Readability
Data formats
Complexities
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Billing for multiple services
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Local, long-dist., Internet, wireless, cable TV…
Settlement with interconnect partners
Interconnect Review
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Allows customers of one network to
communicate with customers of another
30%-50% of revenues for some operators
Especially
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International calls
Mobile
Internet Telephony
Types of International Interconnect
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Accounting Rate
Cascade
Direct
Re-Filing/Hubbing
Reseller, Re-origination
New under deregulation
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Precision billing
Multiple Currencies
Flat Rate
Stepped Rates
Minimum Charge
Zero-duration/Call attempt charge
Emerging Clearinghouses
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Linking IP networks
Widely used as a choice in routing table
Quality allows use as single source
OSP (open settlement protocol)
Popular due to Costs:
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Hardware / 10
Network access / 2
Telco Billing
OSP VoIP Billing
Resourced links
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www.transnexus.com/IPValue.pdf
www.savera.com/pdfs/authorized_pdfs/4_supporting_interconnect.pdf
http://www.iec.org/online/tutorials/tele_bill
http://www.iec.org/online/tutorials/billing_3g/
http://www.iec.org/online/tutorials/realtime_billing/
http://www.atis.org/atis/clc/obf/BC/bciss.htm
http://www.phoneplusmag.com/articles/1c1cover.html
http://www.bcr.com/bcrmag/2001/08/p28.asp
http://www.itu.int/ITU-D/finance/work-cost-tariffs/events/tariff-seminars/niger-01/Doc7Lacroix-%20Evolution%20of%20Inter%20Carrier%20Settlement-En.pdf