Rate

The rate (or bandwidth) of a call specifies the speed of data transmission. Three data points identify rate: the current rate, the maximum rate for a specified bearer mode, and the minimum rate for the bearer mode.

Not all service providers support use of this information.

TAPI 2: lineSetCallParams, lineGetCallInfo, dwMinRate or dwMaxRate member of LINECALLINFO

TAPI 3: ITCallInfo::get_CallInfoLong, ITCallInfo::put_CallInfoLong, CIL_MAXRATE, CIL_MINRATE, or CIL_RATE member of CALLINFO_LONG

TSPI: LINE_CALLINFO message, with dwParam1 set to LINECALLINFOSTATE_RATE