VOIP ch 9

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Author:
Tjr31
ID:
95099
Filename:
VOIP ch 9
Updated:
2011-07-24 22:48:53
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VOIP
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Description:
VOIP ch 9
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  1. Are key factors in understand financial aspects such as a PSTN and VOIP network
    ROI(return on investment)
  2. offers simpler billing structure, destination points are
    static and tied to a physical location.
    usage based on minutes ofcall durations) and data traffic (usage based on a flat fee) to be billed in different ways.
    PSTN
  3. Forking
    •Forwarding
    Transferring
    Redirecting
    Holding
    •Find-me-follow-me
    Simultaneous ringing
    Supplementary services:
  4. Billed by duration (voice, fax, voice mail recording/playing)
    Billed by data bytes (modem)
    Billed by page (fax)
    Billed by flat fee (for example, stock
    quotes)
    Service categories:
  5. Integration with billing and database services partners
    roaming
  6. Planned
    Spontaneous
    conference calling
  7. Conference server
    Voice-mail server
    Translations, SCP-based services
    Unified communications (UC)
    Integration of billing/UC partners
    pbx multibox billing
  8. are two foundational blocks for billing services in the IP world
    AAA and Radius
  9. is where the processing of billing-related information takes place
    the server or end user
  10. provides a vehicle to identify a client
    through the exchange of logical keys or certificates between the client and the server.
    authentication
  11. sets the process of determining whether the client is
    allowed to perform or request certain tasks or operations
    authorization
  12. measuring resource consumption
    billing, analysis, and ongoing policy management
    accounting
  13. a data-communications protocol designed to provide security management and statistics collection in remote computing environments
    Remote Authentication Dial-In User Service (RADIUS)
  14. For accounting, it is well understood that centrally stored
    data is more secure
    operates on the client/server model.
    RADIUS
  15. which gives one or more remote users access to network resources.
    A RADIUS client consists of a network access server (NAS)
  16. the client and RADIUS server are authenticated through the use of a
    shared secret
  17. is shared secret sent over the network
    no
  18. how are the users passwords sent
    encrypted
  19. add feaures and track it through the server
    that enable network providers to pass valuable information in them.
    vendor-specific attributes (VSA)
  20. PPP
    Password Authentication Protocol (PAP)
    Challenge Handshake Authentication Protocol (CHAP) UNIX login
    methods to authenticate a user.
  21. Each protocol has its own set of features and information fields about the session established between two VoIP endpoints.
    Vendor-Specific Attributes (VSA)
  22. telephony call control switch collects this
    the standards for every provider to offer billing-related information.
    call detail records (CDR)
  23. CO switch produces typical informational elements such as calling number, called number, connect time and date, call duration, and service characteristics.
    Automatic Messaging Accounting (AMA)
  24. responsible for maintaining and updating the telco general requirements (GR) for mostly the U.S. markets
    Telcordia
  25. sends to a RADIUS server Accounting-Request packets that correspond to the SIP transactions that the
    server processes.
    Cisco SIP Proxy Server (SPS)
  26. how are CDRs records saved
    • plain-text logfiles
    • POSTGRESQL package
    • MYSQL database
  27. the use of pins, charging rate info and disconecting a call when the funds run out
    prepaid application
  28. paid after the call call has been completed
    collecting the phone number of the person who originated the call (ANI) and sending it to the RADIUS server, essentially using it as an account number.
    postpaid applications
  29. what can happen when there is mix of usage and billing
    records in several different formats
    interoperability problems and loss of data integrity.
  30. how many more records does a voip call have then a regular call
    9 more records
  31. only one CDR is generated for each call
    call detail record that is propietary
    mediation system
  32. legacy billing systems expect CDRs to be presented in
    Belcore AMA Format (BAF).
  33. requires the billing system to know what is to be counted and analyzed.
    that identifies what end users are doing with their configured calling plans and service-level agreements.
    Mediation Services
  34. industry-standard billing data structures that can be used by virtually any billing system, including the legacy voice billing system of a service provider.
    mediation

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