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<H1><A NAME="_tapi2_phoneprivilege__constants"></A>PHONEPRIVILEGE_ Constants</H1>
<P>The PHONEPRIVILEGE_ bit-flag constants describe the various ways in which a phone device can be opened.
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<DT>PHONEPRIVILEGE_MONITOR </DT>
<DD>An application that opens a phone device with the monitor privilege is informed about events and state changes occurring on the phone. The application cannot invoke any operations on the phone device that would change its state, so only status operations can be invoked. Multiple applications can monitor a phone device at any given time. </DD>
<DT>PHONEPRIVILEGE_OWNER </DT>
<DD>An application that opens a phone device with the owner privilege is allowed to change the state of the lamps, ringer, display, hookswitch, and data blocks of the phone. Opening a phone device in owner mode also provides monitoring of the phone device. Only one application is allowed to be the owner of a phone device at any given time.
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<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>
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