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This is an automatically generated e-mail. To reply, visit:
<a href="https://reviewboard.asterisk.org/r/2544/">https://reviewboard.asterisk.org/r/2544/</a>
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<a href="https://reviewboard.asterisk.org/r/2544/diff/3/?file=37983#file37983line53" style="color: black; font-weight: bold; text-decoration: underline;">trunk/include/asterisk/stasis_channels.h</a>
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(Diff revision 3)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">struct ast_channel_snapshot {</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="n">AST_STRING_FIELD</span><span class="p">(</span><span class="n">bridged_name</span><span class="p">);</span><span class="tb"> </span><span class="tb"> </span><span class="cm">/*!< The name of the channel bridged to this one */</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="n">AST_STRING_FIELD</span><span class="p">(</span><span class="n">bridged_id</span><span class="p">);</span><span class="tb"> </span><span class="tb"> </span><span class="cm">/*!< The uniqueid of the channel bridged to this one */</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">We can't put bridge peer related information in channel snapshots.
It is not up to a channel to know who it is bridged to. If you need that information, you need to store it yourself based on information from the bridging topic. You need to maintain who is in the bridges yourself, and provide that information accordingly. There is no guarantee that a channel is bridged with one other channel: it is equally plausible for the channel to be bridged with many other parties.
This may make it 'easier' for CEL, but putting this information in an object that is shared by all consumers of Stasis-Core means this information should be useful to all consumers. And consumers of Stasis-Core should not be assuming that a channel has a single channel that is bridged to.</pre>
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<a href="https://reviewboard.asterisk.org/r/2544/diff/3/?file=37983#file37983line62" style="color: black; font-weight: bold; text-decoration: underline;">trunk/include/asterisk/stasis_channels.h</a>
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(Diff revision 3)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">struct ast_channel_snapshot {</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="cm">/*!</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"><span class="tb"> </span><span class="tb"> </span> * The value of the DIALSTATUS channel variable.</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"><span class="tb"> </span><span class="tb"> </span> * This is necessary to keep separately from manager_vars for CEL purposes.</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"><span class="tb"> </span><span class="tb"> </span> */</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="n">AST_STRING_FIELD</span><span class="p">(</span><span class="n">dialstatus</span><span class="p">);</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">This information should also not be part of a channel snapshot. You are provided this information when a dial end occurs.
While I'm not a fan of having a separate list of variables for manager, I'm against have separate lists or fields of information for different consumers.</pre>
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<a href="https://reviewboard.asterisk.org/r/2544/diff/3/?file=37984#file37984line58" style="color: black; font-weight: bold; text-decoration: underline;">trunk/main/cel.c</a>
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(Diff revision 3)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">ASTERISK_FILE_VERSION(__FILE__, "$Revision$")</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cp">#include "asterisk/stasis_message_router.h"</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cp">#include "asterisk/stasis_channels.h"</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm">/*! Message router for channel state */</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="k">static</span> <span class="k">struct</span> <span class="n">stasis_message_router</span> <span class="o">*</span><span class="n">cel_channel_state_router</span><span class="p">;</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">If you haven't already, I'd go ahead and make this a 'cel_state_router', create a topic for yourself, and forward the channel topic to it.
You're going to need the bridging topic eventually.</pre>
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<a href="https://reviewboard.asterisk.org/r/2544/diff/3/?file=37984#file37984line391" style="color: black; font-weight: bold; text-decoration: underline;">trunk/main/cel.c</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="n">ast_mutex_lock</span><span class="p">(</span><span class="o">&</span><span class="n">reload_lock</span><span class="p">);</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Yuck.
First, if you were going to keep this, use a scoped ao2 lock.
Second, don't keep this. This is sadness.
I'd go ahead and bite the bullet and turn CEL configuration over to the config framework. It isn't large - 4 variables? And then you no longer need this ugly reload lock shenaniganry.</pre>
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<a href="https://reviewboard.asterisk.org/r/2544/diff/3/?file=37984#file37984line395" style="color: black; font-weight: bold; text-decoration: underline;">trunk/main/cel.c</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="k">if</span> <span class="p">(</span><span class="n">cel_enabled</span> <span class="o">&&</span> <span class="n">ast_cel_track_event</span><span class="p">(</span><span class="n">AST_CEL_LINKEDID_END</span><span class="p">)</span> <span class="o">&&</span> <span class="n">event_type</span> <span class="o">==</span> <span class="n">AST_CEL_CHANNEL_START</span> <span class="o">&&</span> <span class="n">linkedid</span><span class="p">)</span> <span class="p">{</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">If CEL isn't enabled, bail. Then you don't have to check it again.</pre>
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<a href="https://reviewboard.asterisk.org/r/2544/diff/3/?file=37984#file37984line418" style="color: black; font-weight: bold; text-decoration: underline;">trunk/main/cel.c</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">userdefevname</span><span class="p">)</span> <span class="p">{</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="n">userdefevname</span> <span class="o">=</span> <span class="s">""</span><span class="p">;</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">extra</span><span class="p">)</span> <span class="p">{</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="n">extra</span> <span class="o">=</span> <span class="s">""</span><span class="p">;</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">I'd just use S_OR in the creation of the event, i.e.,
EVENT_IE_CEL_USEREVENT_NAME, AST_EVENT_IE_PLTYPE_STR, S_OR(userdefevname, ""), ...</pre>
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<a href="https://reviewboard.asterisk.org/r/2544/diff/3/?file=37987#file37987line106" style="color: black; font-weight: bold; text-decoration: underline;">trunk/main/stasis_channels.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static void channel_snapshot_dtor(void *obj)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="k">struct</span> <span class="n">ast_channel</span> <span class="o">*</span><span class="n">bridged</span><span class="p">;</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Remove all of this</pre>
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<a href="https://reviewboard.asterisk.org/r/2544/diff/3/?file=37987#file37987line130" style="color: black; font-weight: bold; text-decoration: underline;">trunk/main/stasis_channels.c</a>
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(Diff revision 3)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">struct ast_channel_snapshot *ast_channel_snapshot_create(struct ast_channel *chan)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="n">bridged</span> <span class="o">=</span> <span class="n">ast_bridged_channel</span><span class="p">(</span><span class="n">chan</span><span class="p">);</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="k">if</span> <span class="p">(</span><span class="n">bridged</span><span class="p">)</span> <span class="p">{</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="n">ast_channel_ref</span><span class="p">(</span><span class="n">bridged</span><span class="p">);</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="n">ast_channel_lock</span><span class="p">(</span><span class="n">bridged</span><span class="p">);</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="n">ast_string_field_set</span><span class="p">(</span><span class="n">snapshot</span><span class="p">,</span> <span class="n">bridged_name</span><span class="p">,</span> <span class="n">ast_channel_name</span><span class="p">(</span><span class="n">bridged</span><span class="p">));</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="n">ast_string_field_set</span><span class="p">(</span><span class="n">snapshot</span><span class="p">,</span> <span class="n">bridged_id</span><span class="p">,</span> <span class="n">ast_channel_uniqueid</span><span class="p">(</span><span class="n">bridged</span><span class="p">));</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="n">ast_channel_unlock</span><span class="p">(</span><span class="n">bridged</span><span class="p">);</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="n">ast_channel_unref</span><span class="p">(</span><span class="n">bridged</span><span class="p">);</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="n">bridged</span> <span class="o">=</span> <span class="nb">NULL</span><span class="p">;</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="p">}</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Just as mentioning the usage of optimizing Local channels during internal transfer operations that does not involve dialplan execution will cause me to rage, so too does reaching across a bridge to grab the bridged channel cause Richard to burst into righteous anger.
You don't know that you have a single bridged channel. This function is doomed to die.</pre>
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<a href="https://reviewboard.asterisk.org/r/2544/diff/3/?file=37987#file37987line166" style="color: black; font-weight: bold; text-decoration: underline;">trunk/main/stasis_channels.c</a>
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(Diff revision 3)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">struct ast_channel_snapshot *ast_channel_snapshot_create(struct ast_channel *chan)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="n">ast_string_field_set</span><span class="p">(</span><span class="n">snapshot</span><span class="p">,</span> <span class="n">dialstatus</span><span class="p">,</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="n">S_OR</span><span class="p">(</span><span class="n">pbx_builtin_getvar_helper</span><span class="p">(</span><span class="n">chan</span><span class="p">,</span> <span class="s">"DIALSTATUS"</span><span class="p">),</span> <span class="s">""</span><span class="p">));</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Nope - there's a dial end message for a reason. Subscribe to it and use that for knowing what happens during a dial operation.</pre>
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<p>- Matt</p>
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<p>On May 15th, 2013, 9:01 p.m. UTC, opticron wrote:</p>
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<div>Review request for Asterisk Developers.</div>
<div>By opticron.</div>
<p style="color: grey;"><i>Updated May 15, 2013, 9:01 p.m.</i></p>
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<b style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Bugs: </b>
<a href="https://issues.asterisk.org/jira/browse/ASTERISK-21563">ASTERISK-21563</a>
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<b style="color: #575012; font-size: 10pt;">Repository: </b>
Asterisk
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Description </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">This uses the channel state change events from Stasis-Core to determine when channel-related CEL events should be raised. Those refactored in this patch are:
* AST_CEL_CHANNEL_START
* AST_CEL_ANSWER
* AST_CEL_APP_START
* AST_CEL_APP_END
* AST_CEL_HANGUP
* AST_CEL_CHANNEL_END
Retirement of Linked IDs is also refactored.</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Testing </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Ran these changes through all integration tests that check CEL records.</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>trunk/include/asterisk/stasis_channels.h <span style="color: grey">(388883)</span></li>
<li>trunk/main/cel.c <span style="color: grey">(388883)</span></li>
<li>trunk/main/channel.c <span style="color: grey">(388883)</span></li>
<li>trunk/main/pbx.c <span style="color: grey">(388883)</span></li>
<li>trunk/main/stasis_channels.c <span style="color: grey">(388883)</span></li>
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<p><a href="https://reviewboard.asterisk.org/r/2544/diff/" style="margin-left: 3em;">View Diff</a></p>
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