<div class="content"><p>The LINE_CLOSE packet is sent when the specified line device
which was opened using the <a href="2759c744-e040-4c5d-b4b5-215d391f0490" data-linktype="relative-path">Open</a>
packet is forcibly closed. The line device handle or any call handles for calls
on the line are no longer valid after this packet is sent.</p><table>
 <tbody><tr>
  <th><p><br/>0</p></th>
  <th><p><br/>1</p></th>
  <th><p><br/>2</p></th>
  <th><p><br/>3</p></th>
  <th><p><br/>4</p></th>
  <th><p><br/>5</p></th>
  <th><p><br/>6</p></th>
  <th><p><br/>7</p></th>
  <th><p><br/>8</p></th>
  <th><p><br/>9</p></th>
  <th><p>1<br/>0</p></th>
  <th><p><br/>1</p></th>
  <th><p><br/>2</p></th>
  <th><p><br/>3</p></th>
  <th><p><br/>4</p></th>
  <th><p><br/>5</p></th>
  <th><p><br/>6</p></th>
  <th><p><br/>7</p></th>
  <th><p><br/>8</p></th>
  <th><p><br/>9</p></th>
  <th><p>2<br/>0</p></th>
  <th><p><br/>1</p></th>
  <th><p><br/>2</p></th>
  <th><p><br/>3</p></th>
  <th><p><br/>4</p></th>
  <th><p><br/>5</p></th>
  <th><p><br/>6</p></th>
  <th><p><br/>7</p></th>
  <th><p><br/>8</p></th>
  <th><p><br/>9</p></th>
  <th><p>3<br/>0</p></th>
  <th><p><br/>1</p></th>
 </tr>
 <tr>
  <td colspan="32">
  <p align="center">TotalSize</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p align="center">InitContext</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p align="center">fnPostProcessProcHandle</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p align="center">hRemoteLine</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p align="center">Msg</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p align="center">OpenContext</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p align="center">Param1</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p align="center">Param2</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p align="center">Param3</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p align="center">Param4</p>
  </td>
 </tr>
</tbody></table><p><b>TotalSize (4 bytes): </b>An unsigned 32-bit
integer. The total size of the asynchronous event packet.</p><p><b>InitContext (4 bytes): </b>An unsigned 32-bit
integer. The opaque, client-specified session value that MUST be equal to the
InitContext value that is specified in the original scoping of the line <a href="9d8eb7cd-3245-4e44-97e0-42f7b89c9424" data-linktype="relative-path">Initialize</a> request.</p><p><b>fnPostProcessProcHandle (4 bytes): </b>An unsigned
32-bit integer. MUST be set to zero when sent and MUST be ignored on receipt. </p><p><b>hRemoteLine (4 bytes): </b>An unsigned 32-bit
integer. The handle of the <a href="489de77f-16d8-4c4f-939a-f795e8b42893#gt_60e0e1fa-66fe-41e1-b5e3-ceab97e53506" data-linktype="relative-path">client</a>
for the line value. </p><p><b>Msg (4 bytes): </b>An unsigned 32-bit integer. The
packet type; MUST be set to 0x00000003 (LINE_CLOSE). </p><p><b>OpenContext (4 bytes): </b>The opaque,
client-specified context value that MUST be equal to the OpenContext value that
is specified in the original scoping of the line Open request.</p><dl>
<dd>
<p>This information MUST be passed back to the
application with each completion and event that is associated with the handle
of the line or call on the line. This field is not interpreted by TAPI.</p>
</dd></dl><p><b>Param1 (4 bytes): </b>An unsigned 32-bit integer.
This MUST be ignored on receipt and can be any value.  </p><p><b>Param2 (4 bytes): </b>An unsigned 32-bit integer.
This MUST be ignored on receipt and can be any value.  </p><p><b>Param3 (4 bytes): </b>An unsigned 32-bit integer.
This MUST be ignored on receipt and can be any value.  </p><p><b>Param4 (4 bytes): </b>An unsigned 32-bit integer.
This MUST be ignored on receipt and can be any value.  </p></div>