||The alternate transfer of speech or unrestricted data on the same
||The unrestricted data transfer on the call. The data rate is specified
||The multiuse mode defined by ISDN.
||This corresponds to a non-call-associated signaling connection from
the application to the service provider or switch (treated as a media
stream by TAPI).
||When a call is active in BEARERMODE_PASSTHROUGH, the service provider
gives direct access to the attached hardware for control by the application.
This mode is used primarily by applications desiring temporary direct
control over asynchronous modems, accessed through the Win32 communication
functions, for the purpose of configuring or using special features
not otherwise supported by the service provider.
||Bearer service for digital data in which only the low-order seven
bits of each octet may contain user data (for example, for Switched
||This corresponds to G.711 speech transmission on the call. The network
can use processing techniques such as analog transmission, echo cancellation,
and compression/decompression. Bit integrity is not assured. Speech
is not intended to support fax and modem media types.
||This is a regular 3.1 kHz analog voice-grade bearer service. Bit integrity
is not assured. Voice can support fax and modem media types.