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This is an automatically generated e-mail. To reply, visit:
<a href="https://reviewboard.asterisk.org/r/3721/">https://reviewboard.asterisk.org/r/3721/</a>
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<a href="https://reviewboard.asterisk.org/r/3721/diff/1/?file=62406#file62406line42" style="color: black; font-weight: bold; text-decoration: underline;">/branches/12/CHANGES</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> * Function AUDIOHOOK_INHERIT has been deprecated. Audiohooks are now</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> unconditionally inhereted through masquerades. As a side benefit, more</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> than one audiohook of a given type may persist through a masquerade now.</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 should be in a new 12.5.0 section.</pre>
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<a href="https://reviewboard.asterisk.org/r/3721/diff/1/?file=62408#file62408line49" style="color: black; font-weight: bold; text-decoration: underline;">/branches/12/funcs/func_audiohookinherit.c</a>
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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 class="tb"> </span>Asterisk 12.4 and up all audiohooks will always be inherited.</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;">12.5.0</pre>
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<a href="https://reviewboard.asterisk.org/r/3721/diff/1/?file=62408#file62408line67" style="color: black; font-weight: bold; text-decoration: underline;">/branches/12/funcs/func_audiohookinherit.c</a>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><para>By enabling audiohook inheritance on the channel, you are giving</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><para>Prior to Asterisk 12.4, masquerades would occur under all sorts of situations</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span>permission for an audiohook to be inherited by a descendent channel.</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span>which were hard to predict. In Asterisk 12.4+, masquerades only occur as a result of</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span>Inheritance may be be disabled at any point as well.</para></span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span>small set of similar operations for which inheriting all audiohooks from the</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span>original channel is now safe, so all audiohooks are just inherited without needing</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><para>Example scenario:</para></span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span>other controls expressing which audiohooks should be inherited under which</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><para>exten => 2000,1,MixMonitor(blah.wav)</para></span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span>which conditions. As a result, this function is no longer useful and now does</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><para>exten => 2000,n,Set(AUDIOHOOK_INHERIT(MixMonitor)=yes)</para></span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span>absolutely nothing.</para></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;">Asterisk 12 did the changes limiting when masquerades happen.
Asterisk 12.5+ (because of this patch) made all audio hooks inheritable.</pre>
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<a href="https://reviewboard.asterisk.org/r/3721/diff/1/?file=62408#file62408line218" style="color: black; font-weight: bold; text-decoration: underline;">/branches/12/funcs/func_audiohookinherit.c</a>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="kt">int</span> <span class="n">allow</span><span class="p">;</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="n">ast_log</span><span class="p">(</span><span class="n">LOG_NOTICE</span><span class="p">,</span> <span class="s">"AUDIOHOOK_INHERIT function is deprecated and doesn't do anything anymore.</span><span class="se">\n</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;">Make this a one time only WARNING.
"AUDIOHOOK_INHERIT is deprecated and now does nothing.\n"</pre>
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<a href="https://reviewboard.asterisk.org/r/3721/diff/1/?file=62408#file62408line309" style="color: black; font-weight: bold; text-decoration: underline;">/branches/12/funcs/func_audiohookinherit.c</a>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="n">AST_MODULE_INFO_STANDARD</span><span class="p">(</span><span class="n">ASTERISK_GPL_KEY</span><span class="p">,</span> <span class="s">"Audiohook inheritance function"</span><span class="p">);</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="n">AST_MODULE_INFO_STANDARD</span><span class="p">(</span><span class="n">ASTERISK_GPL_KEY</span><span class="p">,</span> <span class="s">"Audiohook inheritance function"</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;">Since the function does nothing now, maybe should change to:
"Audiohook inheritance placeholder function."</pre>
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<a href="https://reviewboard.asterisk.org/r/3721/diff/1/?file=62410#file62410line306" style="color: black; font-weight: bold; text-decoration: underline;">/branches/12/include/asterisk/framehook.h</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">int ast_framehook_detach(struct ast_channel *chan, int framehook_id);</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cm"> * \since 12.4</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;">12.5.0</pre>
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<a href="https://reviewboard.asterisk.org/r/3721/diff/1/?file=62412#file62412line604" style="color: black; font-weight: bold; text-decoration: underline;">/branches/12/main/audiohook.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">ast_channel_audiohooks</span><span class="p">(</span><span class="n">old_chan</span><span class="p">)</span> <span class="o">||</span> <span class="o">!</span><span class="p">(</span><span class="n">audiohook</span> <span class="o">=</span> <span class="n">find_audiohook_by_source</span><span class="p">(</span><span class="n">ast_channel_audiohooks</span><span class="p">(</span><span class="n">old_chan</span><span class="p">),</span> <span class="n">source</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;">This line is too long. You don't have to keep this long line as is just because you are moving it. This is the perfect time to fix the guideline violation.
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<a href="https://reviewboard.asterisk.org/r/3721/diff/1/?file=62412#file62412line616" style="color: black; font-weight: bold; text-decoration: underline;">/branches/12/main/audiohook.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">audiohook_list</span> <span class="o">=</span> <span class="n">ast_channel_audiohooks</span><span class="p">(</span><span class="n">old_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="o">!</span><span class="n">audiohook_list</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;">Blank line not needed here.
You are setting and then immediately testing.</pre>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">struct ast_framehook_list {</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">FRAMEHOOK_DETACH_DESTROY</span> <span class="o">=</span> <span class="mi">0</span><span class="p">,</span> <span class="cm">/*! We want to destroy the framehook outright. */</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="n">FRAMEHOOK_DETACH_PRESERVE</span><span class="p">,</span> <span class="cm">/*! We want to remove the framehook from the channel,</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> * but the data is being moved to another framehook. */</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;">Either put the doxygen comment before the enum identifier and use /*!
or use /*!<
I think it is better to put the block comment before rather than as an EOL comment.</pre>
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<a href="https://reviewboard.asterisk.org/r/3721/diff/1/?file=62415#file62415line248" style="color: black; font-weight: bold; text-decoration: underline;">/branches/12/main/framehook.c</a>
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(Diff revision 1)
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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="tb"> </span><span class="n">framehook_detach</span><span class="p">(</span><span class="n">framehook</span><span class="p">,</span> <span class="n">FRAMEHOOK_DETACH_PRESERVE</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="tb"> </span><span class="k">if</span> <span class="p">(</span><span class="n">framehook</span><span class="o">-></span><span class="n">i</span><span class="p">.</span><span class="n">chan_fixup_cb</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="tb"> </span><span class="tb"> </span><span class="n">framehook</span><span class="o">-></span><span class="n">i</span><span class="p">.</span><span class="n">chan_fixup_cb</span><span class="p">(</span><span class="n">framehook</span><span class="o">-></span><span class="n">i</span><span class="p">.</span><span class="n">data</span><span class="p">,</span> <span class="n">moved_framehook_id</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="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="n">old_chan</span><span class="p">,</span> <span class="n">new_chan</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;">Framehook is always freed by framehook_detach(). Framehook is used after free.</pre>
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<p>- rmudgett</p>
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<p>On July 7th, 2014, 5:21 p.m. CDT, Jonathan Rose wrote:</p>
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<div>Review request for Asterisk Developers, Joshua Colp, Matt Jordan, Mark Michelson, and rmudgett.</div>
<div>By Jonathan Rose.</div>
<p style="color: grey;"><i>Updated July 7, 2014, 5:21 p.m.</i></p>
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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;">It involves masquerades, so you know it's perilous. It involves FAX, so you know it's maddening.
The idea is fairly fairly simple at its core. During a masquerade, audiohooks and framehooks will now be moved automatically (unless explicitly set not to via a value in the framehook interface). Framehooks are a little more complicated and some are simply not inheritable while others may require some kind of fixup (none currently use this. The framehooks in res_fax ended up getting a little too wierd to work well with the framehook fixup, so its fixup had to be handled as part of the datastore fixup function.)
It might be more appropriate to do this as an Asterisk 13 patch. I'm uncertain right now. There are some crashes resolved by this (including https://reviewboard.asterisk.org/r/3603/ which Corey Farrell is currently trying to solve for 11 and maybe for earlier versions as well), but it's a moderately big change and it likely has some potential to break things.</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;">Tested masquerades on channels containing every different type of framehook. Tested masquerades on channels containing every type of audiohook except for app_jack (extended support and I haven't every used it, so I would need to dig into its dependencies... plus none of the audiohooks so far have needed any special attention anyway and app_jack looks less likely too than some of the others).
For everything with obvious audio impact (volume gain, mixmonitors, pitch shift, chanspy etc), I also checked that audio kept going through as you would expect it to. I also tested multiple audiohooks and multiple framehooks for inheritance. Audiohooks were tested for multiple inheritance of the same type (previously unavailable with the AUDIOHOOK_INHERIT function)</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>/branches/12/res/res_pjsip_refer.c <span style="color: grey">(417692)</span></li>
<li>/branches/12/res/res_fax.c <span style="color: grey">(417692)</span></li>
<li>/branches/12/main/framehook.c <span style="color: grey">(417692)</span></li>
<li>/branches/12/main/channel.c <span style="color: grey">(417692)</span></li>
<li>/branches/12/main/bridge_basic.c <span style="color: grey">(417692)</span></li>
<li>/branches/12/main/audiohook.c <span style="color: grey">(417692)</span></li>
<li>/branches/12/include/asterisk/res_fax.h <span style="color: grey">(417692)</span></li>
<li>/branches/12/include/asterisk/framehook.h <span style="color: grey">(417692)</span></li>
<li>/branches/12/include/asterisk/audiohook.h <span style="color: grey">(417692)</span></li>
<li>/branches/12/funcs/func_audiohookinherit.c <span style="color: grey">(417692)</span></li>
<li>/branches/12/bridges/bridge_native_rtp.c <span style="color: grey">(417692)</span></li>
<li>/branches/12/CHANGES <span style="color: grey">(417692)</span></li>
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<p><a href="https://reviewboard.asterisk.org/r/3721/diff/" style="margin-left: 3em;">View Diff</a></p>
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