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      This is an automatically generated e-mail. To reply, visit:
      <a href="https://reviewboard.asterisk.org/r/1302/">https://reviewboard.asterisk.org/r/1302/</a>
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    <a href="https://reviewboard.asterisk.org/r/1302/diff/3/?file=17425#file17425line1350" style="color: black; font-weight: bold; text-decoration: underline;">trunk/main/rtp_engine.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; ">enum ast_bridge_result ast_rtp_instance_bridge(struct ast_channel *c0, struct ast_channel *c1, int flags, struct ast_frame **fo, struct ast_channel **rc, int timeoutms)</pre></td>

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    <th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">1350</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
    <th bgcolor="#f0f0f0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">1350</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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    <th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">1351</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">        <span class="cm">/* If we need to get DTMF see if we can do it outside of the RTP stream itself */</span></pre></td>
    <th bgcolor="#f0f0f0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">1351</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">        <span class="cm">/* If we need to get DTMF see if we can do it outside of the RTP stream itself */</span></pre></td>
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    <th bgcolor="#e9eaa8" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">1352</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">flags</span> <span class="o">&amp;</span> <span class="n">AST_BRIDGE_DTMF_CHANNEL_0</span><span class="p">)</span> <span class="o">&amp;&amp;</span> <span class="n"><span class="hl">instance</span>0</span><span class="o">-&gt;</span><span class="n"><span class="hl">properties</span></span><span class="p"><span class="hl">[</span></span><span class="n"><span class="hl">AST_RTP_PROPERTY_DTMF</span></span><span class="p"><span class="hl">]</span>)</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">1352</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">flags</span> <span class="o">&amp;</span> <span class="n">AST_BRIDGE_DTMF_CHANNEL_0</span><span class="p">)</span> <span class="o">&amp;&amp;</span> <span class="n"><span class="hl">c</span>0</span><span class="o">-&gt;</span><span class="n"><span class="hl">tech</span></span><span class="o"><span class="hl">-&gt;</span></span><span class="n"><span class="hl">send_digit_begin</span></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">1353</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                <span class="n">res</span> <span class="o">=</span> <span class="n">AST_BRIDGE_FAILED_NOWARN</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">1353</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                <span class="n">res</span> <span class="o">=</span> <span class="n">AST_BRIDGE_FAILED_NOWARN</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">1354</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                <span class="k">goto</span> <span class="n">done</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">1354</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                <span class="k">goto</span> <span class="n">done</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">1355</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">1355</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="#e9eaa8" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">1356</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">flags</span> <span class="o">&amp;</span> <span class="n">AST_BRIDGE_DTMF_CHANNEL_1</span><span class="p">)</span> <span class="o">&amp;&amp;</span> <span class="n"><span class="hl">instance</span>1</span><span class="o">-&gt;</span><span class="n"><span class="hl">properties</span></span><span class="p"><span class="hl">[</span></span><span class="n"><span class="hl">AST_RTP_PROPERTY_DTMF</span></span><span class="p"><span class="hl">]</span>)</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">1356</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">flags</span> <span class="o">&amp;</span> <span class="n">AST_BRIDGE_DTMF_CHANNEL_1</span><span class="p">)</span> <span class="o">&amp;&amp;</span> <span class="n"><span class="hl">c</span>1</span><span class="o">-&gt;</span><span class="n"><span class="hl">tech</span></span><span class="o"><span class="hl">-&gt;</span></span><span class="n"><span class="hl">send_digit_begin</span></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">1357</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                <span class="n">res</span> <span class="o">=</span> <span class="n">AST_BRIDGE_FAILED_NOWARN</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">1357</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                <span class="n">res</span> <span class="o">=</span> <span class="n">AST_BRIDGE_FAILED_NOWARN</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">1358</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                <span class="k">goto</span> <span class="n">done</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">1358</font></th>
    <td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">                <span class="k">goto</span> <span class="n">done</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;">Having a send_digit_begin function only means you have a way to pass DTMF through the bridge, I do not believe it indicates whether or not DTMF will be received on a channel or not.

Like my last comment, checking to see if ast_rtp_instance_dtmf_mode_get() is set to none or not should tell you if DTMF is coming over rtp.</pre>
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<p>- David</p>


<br />
<p>On July 11th, 2011, 3:49 p.m., opticron wrote:</p>






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<div>Review request for Asterisk Developers.</div>
<div>By opticron.</div>


<p style="color: grey;"><i>Updated July 11, 2011, 3:49 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;">When deciding whether Asterisk was allowed to bridge the call away from the core, chan_sip did not take into account the usage of features on dialed channels that require monitoring of DTMF on channels utilizing inband DTMF.  This would cause Asterisk to allow the call to be locally or remotely bridged, preventing access to the data required to detect activations of such features.  chan_sip now checks this and disallows bridging away from the core when using inband DTMF and certain dialed features simultaneously.</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;">The scenario described in the bug report now works as expected.</pre>
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<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-17237">ASTERISK-17237</a>


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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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 <li>trunk/main/rtp_engine.c <span style="color: grey">(325090)</span></li>

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<p><a href="https://reviewboard.asterisk.org/r/1302/diff/" style="margin-left: 3em;">View Diff</a></p>




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