• ▼MSDN Library Visual Studio 6.0
  • ▶Welcome to the MSDN Library
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    • ▶What's New?
    • ▶Windows Programming Guidelines
    • ▶Database and Messaging Services
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    • ▼Networking and Distributed Services
      • ▶Active Directory Service Interfaces (ADSI) Version 2.0
      • ▶Active Directory Schema Beta 1
      • ▶Generic Quality of Service (GQOS)
      • ▶Windows Sockets Version 2
      • ▶The DLC Interface
      • ▶The NetBIOS Interface
      • ▶Network Dynamic Data Exchange
      • ▶Networking (Net)
      • ▶Remote Access Service (RAS)
      • ▶Simple Network Management Protocol (SNMP)
      • ▶Windows Networking (WNet)
      • ▶Microsoft Message Queue Server (MSMQ)
      • ▶Routing and Remote Access Services
      • ▶Remote Procedure Call (RPC)
      • ▶Microsoft SNA Server
      • ▼Telephony Application Programming Interface (TAPI)
        • ▼TAPI Version 2.1
          • Legal Information
          • ▶Using the TAPI 2.1 Programmer's Reference
          • ▶Overviews
          • ▼TAPI Reference
            • ▶TAPI Quick Function Reference
            • ▶TAPI Unicode Support
            • ▶TAPI Functions
            • ▶TAPI Structures
            • ▼TAPI Messages
              • ▶Line Device Messages
              • ▼Phone Device Messages
                • PHONE_BUTTON
                • PHONE_CLOSE
                • PHONE_CREATE
                • PHONE_DEVSPECIFIC
                • PHONE_REMOVE
                • PHONE_REPLY
                • PHONE_STATE
              • ▶Formatted Error Messages
              • ▶Assisted Telephony Messages
            • ▶TAPI Constants
            • ▶TAPI Device Classes
          • ▶TAPI Client Management
        • ▶TSPI Version 2.1
        • ▶TAPI Version 3.0
        • ▶Glossary
        • ▶Appendix
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