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      <a href="https://reviewboard.asterisk.org/r/2236/">https://reviewboard.asterisk.org/r/2236/</a>
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    <a href="https://reviewboard.asterisk.org/r/2236/diff/4/?file=32355#file32355line13174" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/channels/chan_sip.c</a>
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     (Diff revision 4)

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   <td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static enum sip_result add_sdp(struct sip_request *resp, struct sip_pvt *p, int oldsdp, int add_audio, int add_t38)</pre></td>

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    <th bgcolor="#e9eaa8" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">13173</font></th>
    <td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                <span class="k">if</span> <span class="p">(</span><span class="n">ast_format_cap_has_joint</span><span class="p">(</span><span class="n">tmpcap</span><span class="p">,</span> <span class="n">p</span><span class="o">-&gt;</span><span class="n">prefcaps</span><span class="p">))</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="k">if</span> <span class="p">(</span><span class="o"><span class="hl">!</span></span><span class="n"><span class="hl">ast_test_flag</span></span><span class="p"><span class="hl">(</span></span><span class="o"><span class="hl">&amp;</span></span><span class="n"><span class="hl">p</span></span><span class="o"><span class="hl">-&gt;</span></span><span class="n"><span class="hl">flags</span></span><span class="p"><span class="hl">[</span></span><span class="mi"><span class="hl">2</span></span><span class="p"><span class="hl">],</span></span><span class="hl"> </span><span class="n"><span class="hl">SIP_PAGE3_IGNORE_PREFCAPS</span></span><span class="p"><span class="hl">)</span></span><span class="hl"> </span><span class="o"><span class="hl">&amp;&amp;</span></span><span class="hl"> </span><span class="n">ast_format_cap_has_joint</span><span class="p">(</span><span class="n">tmpcap</span><span class="p">,</span> <span class="n">p</span><span class="o">-&gt;</span><span class="n">prefcaps</span><span class="p">))</span> <span class="p">{</span><span class="ew"> </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;">Trailing whitespace.</pre>
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    <a href="https://reviewboard.asterisk.org/r/2236/diff/4/?file=32356#file32356line376" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/channels/sip/include/sip.h</a>
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     (Diff revision 4)

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    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
    <th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">376</font></th>
    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cp">#define SIP_PAGE3_IGNORE_PREFCAPS        (1 &lt;&lt; 7)  </span><span class="cm">/*!&lt; DP: Ignore prefcaps when setting up an outgoing call leg */</span><span class="cp"><span class="ew"> </span></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;">Trailing whitespace</pre>
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    <a href="https://reviewboard.asterisk.org/r/2236/diff/4/?file=32357#file32357line1262" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/configs/sip.conf.sample</a>
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     (Diff revision 4)

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    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
    <th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">1262</font></th>
    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">; ignore_requested_pref ; Ignore the requested codec and determine the preferred codec<span class="ew"> </span></pre></td>
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    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
    <th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">1263</font></th>
    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">;                                                 from the peer&#39;s configuration.<span class="ew">  </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;">There&#39;s some trailing whitespace here as well.</pre>
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<p>- Mark</p>


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<p>On December 10th, 2012, 12:23 p.m., Brent Eagles wrote:</p>






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<div>Review request for Asterisk Developers, Joshua Colp and Mark Michelson.</div>
<div>By Brent Eagles.</div>


<p style="color: grey;"><i>Updated Dec. 10, 2012, 12:23 p.m.</i></p>




<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 patch adds a peer configuration property &#39;ignore_requested_pref&#39; (better name suggestions welcome of course) that causes the requested codec to be ignored when determining the preferred codec. The consequence is that Asterisk&#39;s usual efforts to prefer avoiding transcoding can be overridden on a peer-by-peer basis where appropriate. Undoubtedly a &quot;use-with-caution&quot; feature.</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;">Manual testing performed. 
Peer A -&gt; Asterisk Host A -&gt; Asterisk Host B (with patch applied) -&gt; Peer B 

Peer A is configured to use ulaw in Host A&#39;s sip.conf, Peer B is configured with:
disallow=all
allow=alaw
allow=ulaw
override_codecs=yes

Media from Peer A to Host A and Host A to Host B is in ulaw where the invite from Host B to Peer B specifies alaw. Media from Host B to Peer B proceeds with alaw.</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/channels/chan_sip.c <span style="color: grey">(377376)</span></li>

 <li>/trunk/channels/sip/include/sip.h <span style="color: grey">(377376)</span></li>

 <li>/trunk/configs/sip.conf.sample <span style="color: grey">(377376)</span></li>

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<p><a href="https://reviewboard.asterisk.org/r/2236/diff/" style="margin-left: 3em;">View Diff</a></p>




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