Huge thanks to our Platinum Members Endace and LiveAction,
and our Silver Member Veeam, for supporting the Wireshark Foundation and project.

Display Filter Reference: Microsoft Telephony API Service

Protocol field name: tapi

Versions: 1.0.0 to 4.2.4

Back to Display Filter Reference

Field name Description Type Versions
tapi.hndContext HandleByte sequence1.0.0 to 4.2.4
tapi.opnumOperationUnsigned integer (16 bits)1.0.0 to 4.2.4
tapi.rcReturn codeUnsigned integer (32 bits)1.0.0 to 4.2.4
tapi.unknown.bytesUnknown bytesByte sequence1.0.0 to 4.2.4
tapi.unknown.longUnknown longUnsigned integer (32 bits)1.0.0 to 4.2.4
tapi.unknown.stringUnknown stringCharacter string1.0.0 to 4.2.4