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    • ▶What's New?
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      • ▶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)
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      • ▶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
              • ▼Line Device Structures
                • LINEADDRESSCAPS
                • LINEADDRESSSTATUS
                • LINEAGENTACTIVITYENTRY
                • LINEAGENTACTIVITYLIST
                • LINEAGENTCAPS
                • LINEAGENTGROUPENTRY
                • LINEAGENTGROUPLIST
                • LINEAGENTSTATUS
                • LINEAPPINFO
                • LINECALLINFO
                • LINECALLLIST
                • LINECALLPARAMS
                • LINECALLSTATUS
                • LINECALLTREATMENTENTRY
                • LINECARDENTRY
                • LINECOUNTRYENTRY
                • LINECOUNTRYLIST
                • LINEDEVCAPS
                • LINEDEVSTATUS
                • LINEDIALPARAMS
                • LINEEXTENSIONID
                • LINEFORWARD
                • LINEFORWARDLIST
                • LINEGENERATETONE
                • LINEINITIALIZEEXPARAMS
                • LINELOCATIONENTRY
                • LINEMEDIACONTROLCALLSTATE
                • LINEMEDIACONTROLDIGIT
                • LINEMEDIACONTROLMEDIA
                • LINEMEDIACONTROLTONE
                • LINEMESSAGE
                • LINEMONITORTONE
                • LINEPROVIDERENTRY
                • LINEPROVIDERLIST
                • LINEPROXYREQUEST
                • LINEREQMAKECALL
                • LINETERMCAPS
                • LINETRANSLATECAPS
                • LINETRANSLATEOUTPUT
              • ▶Phone Device Structures
            • ▶TAPI Messages
            • ▶TAPI Constants
            • ▶TAPI Device Classes
          • ▶TAPI Client Management
        • ▶TSPI Version 2.1
        • ▶TAPI Version 3.0
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