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    <a href="https://reviewboard.asterisk.org/r/1891/diff/2/?file=27793#file27793line9353" style="color: black; font-weight: bold; text-decoration: underline;">/channels/chan_sip.c</a>
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     (Diff revision 2)

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   <td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int process_sdp(struct sip_pvt *p, struct sip_request *req, int t38action)</pre></td>

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    <th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">9344</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                <span class="k">if</span> <span class="p">(</span><span class="n">audio</span><span class="p">)</span> <span class="p">{</span></pre></td>
    <th bgcolor="#f0f0f0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">9353</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                <span class="k">if</span> <span class="p">(</span><span class="n">audio</span><span class="p">)</span> <span class="p">{</span></pre></td>
  </tr>

  <tr>
    <th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">9345</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                        <span class="k">if</span> <span class="p">(</span><span class="n">process_sdp_a_sendonly</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">sendonly</span><span class="p">))</span></pre></td>
    <th bgcolor="#f0f0f0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">9354</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                        <span class="k">if</span> <span class="p">(</span><span class="n">process_sdp_a_sendonly</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">sendonly</span><span class="p">))</span></pre></td>
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    <th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">9346</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                                <span class="n">processed</span> <span class="o">=</span> <span class="n">TRUE</span><span class="p">;</span></pre></td>
    <th bgcolor="#f0f0f0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">9355</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                                <span class="n">processed</span> <span class="o">=</span> <span class="n">TRUE</span><span class="p">;</span></pre></td>
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    <th bgcolor="#b1ebb0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2"></font></th>
    <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">9356</font></th>
    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                        <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="n">process_sdp_a_ice</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">p</span><span class="p">,</span> <span class="n">p</span><span class="o">-&gt;</span><span class="n">rtp</span><span class="p">))</span></pre></td>
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    <th bgcolor="#b1ebb0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2"></font></th>
    <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">9357</font></th>
    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                                <span class="n">processed</span> <span class="o">=</span> <span class="n">TRUE</span><span class="p">;</span></pre></td>
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    <th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">9347</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                        <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="n">process_crypto</span><span class="p">(</span><span class="n">p</span><span class="p">,</span> <span class="n">p</span><span class="o">-&gt;</span><span class="n">rtp</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">p</span><span class="o">-&gt;</span><span class="n">srtp</span><span class="p">,</span> <span class="n">value</span><span class="p">))</span></pre></td>
    <th bgcolor="#f0f0f0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">9358</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                        <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="n">process_crypto</span><span class="p">(</span><span class="n">p</span><span class="p">,</span> <span class="n">p</span><span class="o">-&gt;</span><span class="n">rtp</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">p</span><span class="o">-&gt;</span><span class="n">srtp</span><span class="p">,</span> <span class="n">value</span><span class="p">))</span></pre></td>
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    <th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">9348</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                                <span class="n">processed</span> <span class="o">=</span> <span class="n">TRUE</span><span class="p">;</span></pre></td>
    <th bgcolor="#f0f0f0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">9359</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                                <span class="n">processed</span> <span class="o">=</span> <span class="n">TRUE</span><span class="p">;</span></pre></td>
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    <th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">9349</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                        <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="n">process_sdp_a_audio</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">p</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">newaudiortp</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">last_rtpmap_codec</span><span class="p">))</span></pre></td>
    <th bgcolor="#f0f0f0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">9360</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                        <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="n">process_sdp_a_audio</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">p</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">newaudiortp</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">last_rtpmap_codec</span><span class="p">))</span></pre></td>
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    <th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">9350</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                                <span class="n">processed</span> <span class="o">=</span> <span class="n">TRUE</span><span class="p">;</span></pre></td>
    <th bgcolor="#f0f0f0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">9361</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                                <span class="n">processed</span> <span class="o">=</span> <span class="n">TRUE</span><span class="p">;</span></pre></td>
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  <tr>
    <th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">9351</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                <span class="p">}</span></pre></td>
    <th bgcolor="#f0f0f0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">9362</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                <span class="p">}</span></pre></td>
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    <th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">9352</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                <span class="cm">/* Video specific scanning */</span></pre></td>
    <th bgcolor="#f0f0f0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">9363</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                <span class="cm">/* Video specific scanning */</span></pre></td>
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    <th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">9353</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="n">video</span><span class="p">)</span> <span class="p">{</span></pre></td>
    <th bgcolor="#f0f0f0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">9364</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="n">video</span><span class="p">)</span> <span class="p">{</span></pre></td>
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    <th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">9354</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                        <span class="k">if</span> <span class="p">(</span><span class="n">process_sdp_a_sendonly</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">vsendonly</span><span class="p">))</span></pre></td>
    <th bgcolor="#f0f0f0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">9365</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                        <span class="k">if</span> <span class="p">(</span><span class="n">process_sdp_a_sendonly</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">vsendonly</span><span class="p">))</span></pre></td>
  </tr>

  <tr>
    <th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">9355</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                                <span class="n">processed</span> <span class="o">=</span> <span class="n">TRUE</span><span class="p">;</span></pre></td>
    <th bgcolor="#f0f0f0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">9366</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                                <span class="n">processed</span> <span class="o">=</span> <span class="n">TRUE</span><span class="p">;</span></pre></td>
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    <th bgcolor="#b1ebb0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2"></font></th>
    <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">9367</font></th>
    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                        <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="n">process_sdp_a_ice</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">p</span><span class="p">,</span> <span class="n">p</span><span class="o">-&gt;</span><span class="n">vrtp</span><span class="p">))</span></pre></td>
  </tr>

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    <th bgcolor="#b1ebb0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2"></font></th>
    <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">9368</font></th>
    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                                <span class="n">processed</span> <span class="o">=</span> <span class="n">TRUE</span><span class="p">;</span></pre></td>
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 </tbody>





 
 

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  <tr>
    <th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">9356</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                        <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="n">process_crypto</span><span class="p">(</span><span class="n">p</span><span class="p">,</span> <span class="n">p</span><span class="o">-&gt;</span><span class="n">vrtp</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">p</span><span class="o">-&gt;</span><span class="n">vsrtp</span><span class="p">,</span> <span class="n">value</span><span class="p">))</span></pre></td>
    <th bgcolor="#f0f0f0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">9369</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                        <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="n">process_crypto</span><span class="p">(</span><span class="n">p</span><span class="p">,</span> <span class="n">p</span><span class="o">-&gt;</span><span class="n">vrtp</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">p</span><span class="o">-&gt;</span><span class="n">vsrtp</span><span class="p">,</span> <span class="n">value</span><span class="p">))</span></pre></td>
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  <tr>
    <th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">9357</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                                <span class="n">processed</span> <span class="o">=</span> <span class="n">TRUE</span><span class="p">;</span></pre></td>
    <th bgcolor="#f0f0f0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">9370</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                                <span class="n">processed</span> <span class="o">=</span> <span class="n">TRUE</span><span class="p">;</span></pre></td>
  </tr>

  <tr>
    <th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">9358</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                        <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="n">process_sdp_a_video</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">p</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">newvideortp</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">last_rtpmap_codec</span><span class="p">))</span></pre></td>
    <th bgcolor="#f0f0f0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">9371</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                        <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="n">process_sdp_a_video</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">p</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">newvideortp</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">last_rtpmap_codec</span><span class="p">))</span></pre></td>
  </tr>

  <tr>
    <th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">9359</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                                <span class="n">processed</span> <span class="o">=</span> <span class="n">TRUE</span><span class="p">;</span></pre></td>
    <th bgcolor="#f0f0f0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">9372</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                                <span class="n">processed</span> <span class="o">=</span> <span class="n">TRUE</span><span class="p">;</span></pre></td>
  </tr>

  <tr>
    <th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">9360</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                <span class="p">}</span></pre></td>
    <th bgcolor="#f0f0f0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">9373</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                <span class="p">}</span></pre></td>
  </tr>

  <tr>
    <th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">9361</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                <span class="cm">/* Text (T.140) specific scanning */</span></pre></td>
    <th bgcolor="#f0f0f0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">9374</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                <span class="cm">/* Text (T.140) specific scanning */</span></pre></td>
  </tr>

  <tr>
    <th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">9362</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="n">text</span><span class="p">)</span> <span class="p">{</span></pre></td>
    <th bgcolor="#f0f0f0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">9375</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="n">text</span><span class="p">)</span> <span class="p">{</span></pre></td>
  </tr>

 </tbody>


 
 




 <tbody>

  <tr>
    <th bgcolor="#e9eaa8" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">9363</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">process_sdp_a_text</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">p</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">newtextrtp</span><span class="p">,</span> <span class="n">red_fmtp</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">red_num_gen</span><span class="p">,</span> <span class="n">red_data_pt</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">last_rtpmap_codec</span><span class="p">))</span></pre></td>
    <th bgcolor="#e9eaa8" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">9376</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">process_sdp_a_ice</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">p</span><span class="p">,</span> <span class="n">p</span><span class="o">-&gt;</span><span class="n">trtp</span><span class="p">))</span></pre></td>
  </tr>

 </tbody>



 
 



 <tbody>

  <tr>
    <th bgcolor="#b1ebb0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2"></font></th>
    <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">9377</font></th>
    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                                <span class="n">processed</span> <span class="o">=</span> <span class="n">TRUE</span><span class="p">;</span></pre></td>
  </tr>

  <tr>
    <th bgcolor="#b1ebb0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2"></font></th>
    <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">9378</font></th>
    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                        <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="n">process_sdp_a_text</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">p</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">newtextrtp</span><span class="p">,</span> <span class="n">red_fmtp</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">red_num_gen</span><span class="p">,</span> <span class="n">red_data_pt</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">last_rtpmap_codec</span><span class="p">))</span></pre></td>
  </tr>

 </tbody>





 
 

 <tbody>

  <tr>
    <th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">9364</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                                <span class="n">processed</span> <span class="o">=</span> <span class="n">TRUE</span><span class="p">;</span></pre></td>
    <th bgcolor="#f0f0f0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">9379</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                                <span class="n">processed</span> <span class="o">=</span> <span class="n">TRUE</span><span class="p">;</span></pre></td>
  </tr>

  <tr>
    <th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">9365</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                        <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="n">process_crypto</span><span class="p">(</span><span class="n">p</span><span class="p">,</span> <span class="n">p</span><span class="o">-&gt;</span><span class="n">trtp</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">p</span><span class="o">-&gt;</span><span class="n">tsrtp</span><span class="p">,</span> <span class="n">value</span><span class="p">))</span></pre></td>
    <th bgcolor="#f0f0f0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">9380</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                        <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="n">process_crypto</span><span class="p">(</span><span class="n">p</span><span class="p">,</span> <span class="n">p</span><span class="o">-&gt;</span><span class="n">trtp</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">p</span><span class="o">-&gt;</span><span class="n">tsrtp</span><span class="p">,</span> <span class="n">value</span><span class="p">))</span></pre></td>
  </tr>

  <tr>
    <th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">9366</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                                <span class="n">processed</span> <span class="o">=</span> <span class="n">TRUE</span><span class="p">;</span></pre></td>
    <th bgcolor="#f0f0f0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">9381</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                                <span class="n">processed</span> <span class="o">=</span> <span class="n">TRUE</span><span class="p">;</span></pre></td>
  </tr>

  <tr>
    <th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">9367</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                <span class="p">}</span></pre></td>
    <th bgcolor="#f0f0f0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">9382</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                                <span class="p">}</span></pre></td>
  </tr>

 </tbody>

</table>

<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;">Might as well add braces to all of these if statements where necessary since they&#39;re being significantly modified.</pre>
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<table width="100%" border="0" bgcolor="white" style="border: 1px solid #C0C0C0; border-collapse: collapse; margin: 2px padding: 2px;">
 <thead>
  <tr>
   <th colspan="4" bgcolor="#F0F0F0" style="border-bottom: 1px solid #C0C0C0; font-size: 9pt; padding: 4px 8px; text-align: left;">
    <a href="https://reviewboard.asterisk.org/r/1891/diff/2/?file=27793#file27793line9851" style="color: black; font-weight: bold; text-decoration: underline;">/channels/chan_sip.c</a>
    <span style="font-weight: normal;">

     (Diff revision 2)

    </span>
   </th>
  </tr>
 </thead>

 <tbody style="background-color: #e4d9cb; padding: 4px 8px; text-align: center;">
  <tr>

   <td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
   <td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int process_sdp_a_ice(const char *a, struct sip_pvt *p, struct ast_rtp_instance *instance)</pre></td>

  </tr>
 </tbody>




 
 



 <tbody>

  <tr>
    <th bgcolor="#b1ebb0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2"></font></th>
    <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">9851</font></th>
    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">        <span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="n">sscanf</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="s">&quot;candidate:%31s %30u %3s %30u %23s %30u typ %5s %*s %23s %*s %30u&quot;</span><span class="p">,</span> <span class="n">foundation</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">candidate</span><span class="p">.</span><span class="n">id</span><span class="p">,</span> <span class="n">transport</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">candidate</span><span class="p">.</span><span class="n">priority</span><span class="p">,</span></pre></td>
  </tr>

 </tbody>

</table>

<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;">The first part of the sscanf format specifier should read &quot;candidate: %...&quot; so that whitespace will be ignored after the colon.</pre>
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<div>




<table width="100%" border="0" bgcolor="white" style="border: 1px solid #C0C0C0; border-collapse: collapse; margin: 2px padding: 2px;">
 <thead>
  <tr>
   <th colspan="4" bgcolor="#F0F0F0" style="border-bottom: 1px solid #C0C0C0; font-size: 9pt; padding: 4px 8px; text-align: left;">
    <a href="https://reviewboard.asterisk.org/r/1891/diff/2/?file=27793#file27793line11396" style="color: black; font-weight: bold; text-decoration: underline;">/channels/chan_sip.c</a>
    <span style="font-weight: normal;">

     (Diff revision 2)

    </span>
   </th>
  </tr>
 </thead>

 <tbody style="background-color: #e4d9cb; padding: 4px 8px; text-align: center;">
  <tr>

   <td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int add_vidupdate(struct sip_request *req)</pre></td>

  </tr>
 </tbody>




 
 



 <tbody>

  <tr>
    <th bgcolor="#b1ebb0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2"></font></th>
    <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">11396</font></th>
    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="k">static</span> <span class="kt">void</span> <span class="nf">add_ice_to_sdp</span><span class="p">(</span><span class="k">struct</span> <span class="n">ast_rtp_instance</span> <span class="o">*</span><span class="n">instance</span><span class="p">,</span> <span class="k">struct</span> <span class="n">ast_str</span> <span class="o">**</span><span class="n">a_buf</span><span class="p">,</span> <span class="kt">int</span> <span class="n">debug</span><span class="p">)</span></pre></td>
  </tr>

 </tbody>

</table>

<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;">Unused debug parameter.</pre>
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<table width="100%" border="0" bgcolor="white" style="border: 1px solid #C0C0C0; border-collapse: collapse; margin: 2px padding: 2px;">
 <thead>
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   <th colspan="4" bgcolor="#F0F0F0" style="border-bottom: 1px solid #C0C0C0; font-size: 9pt; padding: 4px 8px; text-align: left;">
    <a href="https://reviewboard.asterisk.org/r/1891/diff/2/?file=27793#file27793line11445" style="color: black; font-weight: bold; text-decoration: underline;">/channels/chan_sip.c</a>
    <span style="font-weight: normal;">

     (Diff revision 2)

    </span>
   </th>
  </tr>
 </thead>

 <tbody style="background-color: #e4d9cb; padding: 4px 8px; text-align: center;">
  <tr>

   <td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int add_vidupdate(struct sip_request *req)</pre></td>

  </tr>
 </tbody>




 
 



 <tbody>

  <tr>
    <th bgcolor="#b1ebb0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2"></font></th>
    <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">11445</font></th>
    <td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="k">static</span> <span class="kt">void</span> <span class="nf">start_ice</span><span class="p">(</span><span class="k">struct</span> <span class="n">ast_rtp_instance</span> <span class="o">*</span><span class="n">instance</span><span class="p">,</span> <span class="kt">int</span> <span class="n">debug</span><span class="p">)</span></pre></td>
  </tr>

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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;">Unused debug parameter.</pre>
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    <a href="https://reviewboard.asterisk.org/r/1891/diff/2/?file=27798#file27798line432" style="color: black; font-weight: bold; text-decoration: underline;">/res/res_rtp_asterisk.c</a>
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     (Diff revision 2)

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   <td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
   <td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static void update_address_with_ice_candidate(struct ast_rtp *rtp, int component, struct ast_sockaddr *cand_address)</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">432</font></th>
    <td bgcolor="#c5ffc4" 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><span class="n">rtp</span><span class="o">-&gt;</span><span class="n">ice</span> <span class="o">||</span> <span class="o">!</span><span class="n">rtp</span><span class="o">-&gt;</span><span class="n">ice</span><span class="o">-&gt;</span><span class="n">comp</span><span class="p">[</span><span class="n">component</span> <span class="o">-</span> <span class="mi">1</span><span class="p">].</span><span class="n">valid_check</span> <span class="o">||</span> <span class="p">(</span><span class="n">component</span> <span class="o">&lt;</span> <span class="mi">1</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;">The last two items in this expression need to be swapped, otherwise the check against component will not prevent negative indexing as intended.</pre>
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<p>- opticron</p>


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<p>On May 9th, 2012, 8:46 a.m., Joshua Colp wrote:</p>






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<div>Review request for Asterisk Developers.</div>
<div>By Joshua Colp.</div>


<p style="color: grey;"><i>Updated May 9, 2012, 8:46 a.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 support for the following:

ICE attribute parsing and generation in chan_sip
Usage of the ICE interface in chan_sip
ICE support within res_rtp_asterisk
STUN support within res_rtp_asterisk for getting the server reflexive address
TURN support within res_rtp_asterisk for relaying traffic when needed
Additional configuration options for the above

One area which could use some feedback is the pjproject integration. Should we try to use their build system as I have done to integrate things, or try to roll their stuff into ours further?

If you would like some background on ICE and the actual support here take a gander at the wiki page located at https://wiki.asterisk.org/wiki/display/~jcolp/ICE%2C+STUN%2C+and+TURN+Support - hopefully it proves useful to you.</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 various scenarios using Bria and X-Lite behind multiple NATs, different NATs, different internet connections but locally reachable, etc. It works well.</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">(361952)</span></li>

 <li>/trunk/configs/rtp.conf.sample <span style="color: grey">(361952)</span></li>

 <li>/trunk/include/asterisk/rtp_engine.h <span style="color: grey">(361952)</span></li>

 <li>/trunk/main/rtp_engine.c <span style="color: grey">(361952)</span></li>

 <li>/trunk/res/Makefile <span style="color: grey">(361952)</span></li>

 <li>/trunk/res/res_rtp_asterisk.c <span style="color: grey">(361952)</span></li>

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<p><a href="https://reviewboard.asterisk.org/r/1891/diff/" style="margin-left: 3em;">View Diff</a></p>




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