Treatment
Treatment refers to the handling of an incoming session that has not yet been answered or has been put on hold, such as music. Please see LINECALLTREATMENT_ Constants for a list of treatments defined by TAPI.
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**TAPI 2.x: **lineGetCallInfo (dwCallTreatment member of lpCallInfo)
**TAPI 3.x: **ITCallInfo::get_CallInfoLong (CIL_CALLTREATMENT member of CALLINFO_LONG)