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      • ▶Active Directory Service Interfaces (ADSI) Version 2.0
      • ▶Active Directory Schema Beta 1
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      • ▶Windows Sockets Version 2
      • ▶The DLC Interface
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      • ▶Network Dynamic Data Exchange
      • ▶Networking (Net)
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      • ▶Microsoft SNA Server
      • ▼Telephony Application Programming Interface (TAPI)
        • ▶TAPI Version 2.1
        • ▼TSPI Version 2.1
          • Legal Information
          • ▶Using the TSPI 2.1 Programmer's Reference
          • ▶Overviews
          • ▼TSPI Reference
            • ▼TSPI Functions
              • ▶TSPI Service Provider Functions
              • ▶TSPI Line Device Functions
              • ▶TSPI Phone Device Functions
              • ▶TSPI Callback Functions
              • ▼The Telephony Service Provider UI DLL Interface
                • Architecture
                • ▶Usage
                • ▶TSP UI DLL Functions
              • ▶TUISPI Service Provider Functions
              • ▶TUISPI Line Device Functions
              • ▶TUISPI Phone Device Functions
              • ▶TUISPI Callback Functions
            • ▶TSPI Structures
            • ▶TSPI Messages
            • ▶TSPI Constants
            • ▶TSPI Device Classes
            • ▶TSPI Service Provider Datatypes
        • ▶TAPI Version 3.0
        • ▶Glossary
        • ▶Appendix
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