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TAPIPROTOCOL_ Constants

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The following protocols are defined by TAPI 3, and the CLSIDs are in Tapi3.lib. Service providers can define additional protocols.

CLSID TAPIPROTOCOL_PSTN

Public switched telephone network protocol.

CLSID TAPIPROTOCOL_H323

H323 protocol.

CLSID TAPIPROTOCOL_Multicast

Multicast protocol.

Remarks

BSTR versions of the protocol constants are declared for the use of Visual Basic applications.

  • BSTR TAPIPROTOCOL_String_PSTN
  • BSTR TAPIPROTOCOL_String_H323
  • BSTR TAPIPROTOCOL_String_Multicast

Requirements

Requirement Value
TAPI version
 Requires TAPI 3.0 or later
Header
Tapi3if.h