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<H1><A NAME="_tapi2_lineanswermode__constants"></A>LINEANSWERMODE_ Constants</H1>
<P>The LINEANSWERMODE_ bit-flag constants describe how an existing active call on a line device is affected by answering another <I>offering</I> call on the same line.
<DL>
<DT>LINEANSWERMODE_DROP </DT>
<DD>The currently active call will automatically be dropped. </DD>
<DT>LINEANSWERMODE_HOLD </DT>
<DD>The currently active call will automatically be placed on hold. </DD>
<DT>LINEANSWERMODE_NONE </DT>
<DD>Answering another call on the same line has no effect on the existing active call on the line.
</DD>
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<P>No extensibility. All 32 bits are reserved. </P>
<P>If a call comes in (is offered) at the time another call is already active, the new call is connected to by invoking <A HREF="func1_52nm.htm" tppabs="http://msdn.microsoft.com/library/psdk/tapi22/func1_52nm.htm"><B>lineAnswer</B></A>. The effect this has on the existing active call depends on the line's device capabilities. The first call may be unaffected, it may automatically be dropped, or it may automatically be placed on hold. </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>
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