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      This is an automatically generated e-mail. To reply, visit:
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 <pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">I&#39;m not sure if the goal here is having basic INFO DTMF support or if your goal is parity with chan_sip&#39;s support for INFO DTMF. If you&#39;re going for feature parity, then you&#39;re missing support for the &quot;short&quot; INFO DTMF (application/dtmf). This is a version that simply puts the DTMF digit in the body and nothing else.

Also, chan_sip understands &quot;application/vnd.nortelnetworks.digits&quot; as being the same thing as &quot;application/dtmf-relay&quot;</pre>
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    <a href="https://reviewboard.asterisk.org/r/2455/diff/1/?file=36094#file36094line884" style="color: black; font-weight: bold; text-decoration: underline;">/team/group/pimp_my_sip/channels/chan_gulp.c</a>
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   <td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int gulp_digit_begin(struct ast_channel *chan, char digit)</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">884</font></th>
    <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_sip_push_task_synchronous</span><span class="p">(</span><span class="n">session</span><span class="o">-&gt;</span><span class="n">serializer</span><span class="p">,</span> <span class="n">transmit_info_dtmf</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">dtmf_data</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 can&#39;t think of a good reason for this to be a synchronous task. There&#39;s no need to hold up the channel thread while creating and sending the INFO request.</pre>
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    <a href="https://reviewboard.asterisk.org/r/2455/diff/1/?file=36095#file36095line37" style="color: black; font-weight: bold; text-decoration: underline;">/team/group/pimp_my_sip/res/res_sip_dtmf_info.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">pj_strcmp2</span><span class="p">(</span><span class="o">&amp;</span><span class="n">body</span><span class="o">-&gt;</span><span class="n">content_type</span><span class="p">.</span><span class="n">type</span><span class="p">,</span> <span class="s">&quot;application&quot;</span><span class="p">)</span> <span class="o">&amp;&amp;</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="o">!</span><span class="n">pj_strcmp2</span><span class="p">(</span><span class="o">&amp;</span><span class="n">body</span><span class="o">-&gt;</span><span class="n">content_type</span><span class="p">.</span><span class="n">subtype</span><span class="p">,</span> <span class="s">&quot;dtmf-relay&quot;</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 indentation of this function becomes a bit much at points. One way to alleviate that would be to reverse this if statement and return early.</pre>
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    <a href="https://reviewboard.asterisk.org/r/2455/diff/1/?file=36095#file36095line53" style="color: black; font-weight: bold; text-decoration: underline;">/team/group/pimp_my_sip/res/res_sip_dtmf_info.c</a>
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    <th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">53</font></th>
    <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">c</span> <span class="o">=</span> <span class="n">strchr</span><span class="p">(</span><span class="n">line</span><span class="p">,</span> <span class="sc">&#39;=&#39;</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 is another case where the if test can be reversed to reduce indentation.</pre>
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    <a href="https://reviewboard.asterisk.org/r/2455/diff/1/?file=36095#file36095line74" style="color: black; font-weight: bold; text-decoration: underline;">/team/group/pimp_my_sip/res/res_sip_dtmf_info.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="tb">        </span><span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="n">duration</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="n">duration</span> <span class="o">=</span> <span class="mi">100</span><span class="p">;</span></pre></td>
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    <th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">76</font></th>
    <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="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;">It appears that if a DTMF INFO were received that had no duration, then the if here would be testing an uninitialized variable.</pre>
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<p>- Mark</p>


<br />
<p>On April 16th, 2013, 6:24 p.m. UTC, Jason Parker wrote:</p>








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<div>Review request for Asterisk Developers.</div>
<div>By Jason Parker.</div>


<p style="color: grey;"><i>Updated April 16, 2013, 6:24 p.m.</i></p>







<div style="margin-top: 1.5em;">
 <b style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Bugs: </b>


 <a href="https://issues.asterisk.org/jira/browse/ASTERISK-21261">ASTERISK-21261</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;">Sending is done inside of chan_gulp, if the dtmf= setting in res_sip.conf is set to info.  Receiving is done as a separate module, since that made the most sense, to me.</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;">DTMF gets parsed properly.  Outgoing packet looks okay.</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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 <li>/team/group/pimp_my_sip/channels/chan_gulp.c <span style="color: grey">(385887)</span></li>

 <li>/team/group/pimp_my_sip/res/res_sip_dtmf_info.c <span style="color: grey">(PRE-CREATION)</span></li>

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<p><a href="https://reviewboard.asterisk.org/r/2455/diff/" style="margin-left: 3em;">View Diff</a></p>







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