<DT><B>hLine</B> </DT>

<DD>The handle for the line device with which this call is associated. </DD>

<DT><B>dwLineDeviceID</B> </DT>

<DD>The device identifier of the line device with which this call is associated. </DD>

<DT><B>dwAddressID</B> </DT>

<DD>The address identifier of the address on the line on which this call exists. An address identifier is permanently associated with an address; the identifier remains constant across operating system upgrades. </DD>

<DT><B>dwBearerMode</B> </DT>

<DD>The current bearer mode of the call. This member uses one of the <A HREF="constnts_9qb7.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/constnts_9qb7.htm">LINEBEARERMODE_ constants</A>. </DD>

<DT><B>dwRate</B> </DT>

<DD>The rate of the call's data stream in bps (bits per second). </DD>

<DT><B>dwMediaMode</B> </DT>

<DD>Specifies the media type of the information stream currently on the call. This is the media type as determined by the owner of the call, which is not necessarily the same as that of the last <A HREF="msgs_0ext.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/msgs_0ext.htm">LINE_MONITORMEDIA</A> message. This member is not directly affected by the LINE_MONITORMEDIA messages. This member uses the <A HREF="constnts_0x6b.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/constnts_0x6b.htm">LINEMEDIAMODE_ constants</A>.</DD>

<DT><B>dwAppSpecific</B> </DT>

<DD>Not interpreted by the API implementation and service provider. It can be set by any owner application of this call with the <A HREF="func2_2rab.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/func2_2rab.htm"><B>lineSetAppSpecific</B></A><B> </B>function. </DD>

<DT><B>dwCallID</B> </DT>

<DD>In some telephony environments, the switch or service provider can assign a unique identifier to each call. This allows the call to be tracked across transfers, forwards, or other events. The domain of these call IDs and their scope is service provider-defined. The <B>dwCallID</B> member makes this unique identifier available to the applications. </DD>

<DT><B>dwRelatedCallID</B> </DT>

<DD>Telephony environments that use the call ID often may find it necessary to relate one call to another. The <B>dwRelatedCallID</B> member may be used by the service provider for this purpose. </DD>

<DT><B>dwCallParamFlags</B> </DT>

<DD>A collection of call-related parameters when the call is outgoing. These are the same call parameters specified in <A HREF="func1_7mgc.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/func1_7mgc.htm"><B>lineMakeCall</B></A>, one or more of the <A HREF="constnts_9ilv.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/constnts_9ilv.htm">LINECALLPARAMFLAGS_ constants</A>.</DD>

<DT><B>dwCallStates</B> </DT>

<DD>The call states, one or more of the LINECALLSTATE_ constants, for which the application can be notified on this call. The <B>dwCallStates</B> member is constant in <A HREF="#_tapi2_linecallinfo_str"><B>LINECALLINFO</B></A> and does not change depending on the call state.</DD>

<DT><B>dwMonitorDigitModes</B> </DT>

<DD>The various digit modes, one or more of the <A HREF="constnts_56gj.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/constnts_56gj.htm">LINEDIGITMODE_ constants</A>, for which monitoring is currently enabled.</DD>

<DT><B>dwMonitorMediaModes</B> </DT>

<DD>The various media types for which monitoring is currently enabled, one or more of the <A HREF="constnts_0x6b.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/constnts_0x6b.htm">LINEMEDIAMODE_ constants</A>. </DD>

<DT><B>DialParams</B> </DT>

<DD>The dialing parameters currently in effect on the call, of type <A HREF="struc2_30xe.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/struc2_30xe.htm"><B>LINEDIALPARAMS</B></A>. Unless these parameters are set by either <A HREF="func1_7mgc.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/func1_7mgc.htm"><B>lineMakeCall</B></A> or <A HREF="func2_1sj7.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/func2_1sj7.htm"><B>lineSetCallParams</B></A>, their values are the same as the defaults used in the <A HREF="struc2_67aq.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/struc2_67aq.htm"><B>LINEDEVCAPS</B></A><B> </B>structure. </DD>

<DT><B>dwOrigin</B> </DT>

<DD>Identifies where the call originated, one of the <A HREF="constnts_16k3.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/constnts_16k3.htm">LINECALLORIGIN_ constants</A>. </DD>

<DT><B>dwReason</B> </DT>

<DD>The reason why the call occurred, one of the <A HREF="constnts_3243.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/constnts_3243.htm">LINECALLREASON_ constants</A>.</DD>

<DT><B>dwCompletionID</B> </DT>

<DD>The completion identifier for the incoming call if it is the result of a completion request that terminates. This identifier is meaningful only if <B>dwReason</B> is LINECALLREASON_CALLCOMPLETION. </DD>

<DT><B>dwNumOwners</B> </DT>

<DD>The number of application modules with different call handles with owner privilege for the call. </DD>

<DT><B>dwNumMonitors</B> </DT>

<DD>The number of application modules with different call handles with monitor privilege for the call. </DD>

<DT><B>dwCountryCode</B> </DT>

<DD>The country code of the destination party. Zero if unknown. </DD>

<DT><B>dwTrunk</B> </DT>

<DD>The number of the trunk over which the call is routed. This member is used for both incoming and outgoing calls. The <B>dwTrunk</B> member should be set to 0xFFFFFFFF if it is unknown. </DD>

<DT><B>dwCallerIDFlags</B> </DT>

<DD>Determines the validity and content of the caller, or originator, party identifier information. This member uses one of the <A HREF="constnts_6583.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/constnts_6583.htm">LINECALLPARTYID_ constants</A>.</DD>

<DT><B>dwCallerIDSize</B> </DT>

<DT><B>dwCallerIDOffset</B> </DT>

<DD>The size, in bytes, of the variably sized field containing the caller party ID number information, and the offset, in bytes, from the beginning of this data structure. </DD>

<DT><B>dwCallerIDNameSize</B> </DT>

<DT><B>dwCallerIDNameOffset</B> </DT>

<DD>The size, in bytes, of the variably sized field containing the caller party ID name information, and the offset, in bytes, from the beginning of this data structure. </DD>

<DT><B>dwCalledIDFlags</B> </DT>

<DD>Determines the validity and content of the called-party ID information. The called party corresponds to the originally addressed party. This member uses one of the <A HREF="constnts_6583.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/constnts_6583.htm">LINECALLPARTYID_ constants</A>.</DD>

<DT><B>dwCalledIDSize</B> </DT>

<DT><B>dwCalledIDOffset</B> </DT>

<DD>The size, in bytes, of the variably sized field containing the called-party ID number information, and the offset, in bytes, from the beginning of this data structure. </DD>

<DT><B>dwCalledIDNameSize</B> </DT>

<DT><B>dwCalledIDNameOffset</B> </DT>

<DD>The size, in bytes, of the variably sized field containing the called-party ID name information, and the offset, in bytes, from the beginning of this data structure. </DD>

<DT><B>dwConnectedIDFlags</B> </DT>

<DD>Determines the validity and content of the connected party ID information. The connected party is the party that was actually connected to. This may be different from the called-party ID if the call was diverted. This member uses one of the <A HREF="constnts_6583.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/constnts_6583.htm">LINECALLPARTYID_ constants</A>.</DD>

<DT><B>dwConnectedIDSize</B> </DT>

<DT><B>dwConnectedIDOffset</B> </DT>

<DD>The size, in bytes, of the variably sized field containing the connected party identifier number information, and the offset, in bytes, from the beginning of this data structure. </DD>

<DT><B>dwConnectedIDNameSize</B> </DT>

<DT><B>dwConnectedIDNameOffset</B> </DT>

<DD>The size, in bytes, of the variably sized field containing the connected party identifier name information, and the offset, in bytes, from the beginning of this data structure. </DD>

<DT><B>dwRedirectionIDFlags</B> </DT>

<DD>Determines the validity and content of the redirection party identifier information. The redirection party identifies the address to which the session was redirected. This member uses one of the <A HREF="constnts_6583.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/constnts_6583.htm">LINECALLPARTYID_ constants</A>.</DD>

<DT><B>dwRedirectionIDSize</B> </DT>

<DT><B>dwRedirectionIDOffset</B> </DT>

<DD>The size, in bytes, of the variably sized field containing the redirection party identifier number information, and the offset, in bytes, from the beginning of this data structure. </DD>

<DT><B>dwRedirectionIDNameSize</B> </DT>

<DT><B>dwRedirectionIDNameOffset</B> </DT>

<DD>The size, in bytes, of the variably sized field containing the redirection party identifier name information, and the offset, in bytes, from the beginning of this data structure. </DD>

<DT><B>dwRedirectingIDFlags</B> </DT>

<DD>Determines the validity and content of the redirecting party identifier information. The redirecting party identifies the address which redirect the session. This member uses one of the <A HREF="constnts_6583.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/constnts_6583.htm">LINECALLPARTYID_ constants</A>.</DD>

<DT><B>dwRedirectingIDSize</B> </DT>