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<H1><A NAME="_tapi2_linecallparamflags__constants"></A>LINECALLPARAMFLAGS_ Constants</H1>
<P>The LINECALLPARAMFLAGS_ constants describe various status flags about a call.
<DL>
<DT>LINECALLPARAMFLAGS_BLOCKID </DT>
<DD>The originator identity should be concealed (block caller ID). </DD>
<DT>LINECALLPARAMFLAGS_DESTOFFHOOK </DT>
<DD>The called party's phone should be automatically taken offhook. </DD>
<DT>LINECALLPARAMFLAGS_IDLE </DT>
<DD>The call should be originated on an idle call appearance and not join a call in progress. When using the <A HREF="func1_7mgc.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/func1_7mgc.htm"><B>lineMakeCall</B></A> function, if the LINECALLPARAMFLAGS_IDLE value is <I>not</I> set and there is an existing call on the line, the function breaks into the existing call if necessary to make the new call. If there is no existing call, the function makes the new call as specified. </DD>
<DT>LINECALLPARAMFLAGS_NOHOLDCONFERENCE </DT>
<DD>This bit is used only in conjunction with <A HREF="func2_7z8l.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/func2_7z8l.htm"><B>lineSetupConference</B></A> and <A HREF="func2_8e1x.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/func2_8e1x.htm"><B>linePrepareAddToConference</B></A>. The address to be conferenced with the current call is specified in the <B>TargetAddress</B> member in <A HREF="struc1_904y.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/struc1_904y.htm"><B>LINECALLPARAMS</B></A>. The consultation call does not physically draw dial tone from the switch, but will progress through various call establishment states (for example, <I>dialing, proceeding</I>). When the consultation call reaches the <I>connected</I> state, the conference is automatically established; the original call, which had remained in the <I>connected</I> state, enters the <I>conferenced</I> state; the consultation call enters the <I>conferenced</I> state; the <I>hConfCall</I> enters the <I>connected</I> state. If the consultation call fails (enters the <I>disconnected</I> state followed by <I>idle</I>), the <I>hConfCall</I> also enters the <I>idle</I> state, and the original call (which may have been an existing conference, in the case of <B>linePrepareAddToConference</B>) remains in the <I>connected</I> state. The original party (or parties) never perceive the call has having gone <I>onhold</I>. This feature is often used to add a supervisor to an ACD agent call when necessary to monitor interactions with an irate caller. </DD>
<DT>LINECALLPARAMFLAGS_ONESTEPTRANSFER </DT>
<DD>This bit is used only in conjunction with <A HREF="func2_8ofm.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/func2_8ofm.htm"><B>lineSetupTransfer</B></A>. It combines the operation of <B>lineSetupTransfer</B> followed by <A HREF="func1_0p0s.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/func1_0p0s.htm"><B>lineDial</B></A> on the consultation call into a single step. The address to be dialed is specified in the <B>TargetAddress</B> member in <A HREF="struc1_904y.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/struc1_904y.htm"><B>LINECALLPARAMS</B></A>. The original call is placed in <I>onholdpendingtranfer</I> state, just as if <B>lineSetupTransfer</B> were called normally, and the consultation call is established normally. The application must still call <A HREF="func1_9b1u.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/func1_9b1u.htm"><B>lineCompleteTransfer</B></A> to effect the transfer. This feature is often used when invoking a transfer from a server over a third-party call control link, because such links frequently do not support the normal two-step process. </DD>
<DT>LINECALLPARAMFLAGS_ORIGOFFHOOK </DT>
<DD>The originator's phone should be automatically taken offhook. </DD>
<DT>LINECALLPARAMFLAGS_PREDICTIVEDIAL </DT>
<DD>This bit is used only when placing a call on an address with predictive dialing capability (LINEADDRCAPFLAGS_PREDICTIVEDIALER is on in the <B>dwAddrCapFlags</B> member in <A HREF="struc1_5uuq.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/struc1_5uuq.htm"><B>LINEADDRESSCAPS</B></A>). The bit must be on to enable the enhanced call progress and/or media device monitoring capabilities of the device. If this bit is not on, the call will be placed without enhanced call progress or media type monitoring, and no automatic transfer will be initiated based on call state. </DD>
<DT>LINECALLPARAMFLAGS_SECURE </DT>
<DD>The call should be set up as secure.
</DD>
</DL>
<P>No extensibility. All 32 bits are reserved. </P>
<H4><A HREF="javascript:if(confirm('http://msdn.microsoft.com/library/psdk/sdkintro/guide_927n.htm \n\n这个文件不能通过 Teleport Pro 取回, 因为 地址在一个域或为它的开始地址设定的边界的外部路径上. \n\n你想从服务器打开它吗?'))window.location='http://msdn.microsoft.com/library/psdk/sdkintro/guide_927n.htm'" tppabs="http://msdn.microsoft.com/library/psdk/sdkintro/guide_927n.htm">Requirements</A> </H4>
<P><B> Windows NT/2000: </B>Requires Windows NT 4.0 SP3 or later.<BR>
<B> Windows 95/98: </B>Requires Windows 95 or later.<BR>
<B> Version: </B>Requires TAPI 2.0 or later.<BR>
<B> Header: </B>Declared in Tapi.h.</P>
<H4>See Also</H4>
<P><A HREF="struc1_5uuq.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/struc1_5uuq.htm"><B>LINEADDRESSCAPS</B></A>, <A HREF="struc1_904y.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/struc1_904y.htm"><B>LINECALLPARAMS</B></A>, <A HREF="func1_9b1u.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/func1_9b1u.htm"><B>lineCompleteTransfer</B></A>, <A HREF="func1_0p0s.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/func1_0p0s.htm"><B>lineDial</B></A>, <A HREF="func1_7mgc.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/func1_7mgc.htm"><B>lineMakeCall</B></A>, <A HREF="func2_8e1x.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/func2_8e1x.htm"><B>linePrepareAddToConference</B></A>, <A HREF="func2_7z8l.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/func2_7z8l.htm"><B>lineSetupConference</B></A>, <A HREF="func2_8ofm.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/func2_8ofm.htm"><B>lineSetupTransfer</B></A> </P>
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