<p>Alexei Gradinari <strong>uploaded patch set #2</strong> to this change.</p><p><a href="https://gerrit.asterisk.org/c/asterisk/+/11422">View Change</a></p><pre style="font-family: monospace,monospace; white-space: pre-wrap;">res_fax: gateway sends T.38 request to both endpoints if V.21 detected<br><br>According T.38 Gateway 'Use case 3'<br>https://wiki.asterisk.org/wiki/display/AST/T.38+Gateway<br>T.38 Gateway should send T.38 negotiation request to called endpoint<br>if FAX preamble (using V.21 detector) generated by called endpoint.<br>But it does not, because fax_gateway_detect_v21 constructs T.38<br>negotiation request, but forwards it only to other channel,<br>not to the channel on which FAX preamble is detected.<br><br>Some SIP endpoints could be improperly configured to rely on the other side<br>to initiate T.38 re-INVITEs.<br><br>With this patch the T.38 Gateway tries to negotiate with both sides<br>by sending T.38 negotiation request to both endpoints supported T.38.<br><br>Change-Id: I73bb24799bfe1a48adae9c034a2edbae54cc2a39<br>---<br>M res/res_fax.c<br>1 file changed, 30 insertions(+), 7 deletions(-)<br><br></pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;">git pull ssh://gerrit.asterisk.org:29418/asterisk refs/changes/22/11422/2</pre><p>To view, visit <a href="https://gerrit.asterisk.org/c/asterisk/+/11422">change 11422</a>. To unsubscribe, or for help writing mail filters, visit <a href="https://gerrit.asterisk.org/settings">settings</a>.</p><div itemscope itemtype="http://schema.org/EmailMessage"><div itemscope itemprop="action" itemtype="http://schema.org/ViewAction"><link itemprop="url" href="https://gerrit.asterisk.org/c/asterisk/+/11422"/><meta itemprop="name" content="View Change"/></div></div>

<div style="display:none"> Gerrit-Project: asterisk </div>
<div style="display:none"> Gerrit-Branch: 16 </div>
<div style="display:none"> Gerrit-Change-Id: I73bb24799bfe1a48adae9c034a2edbae54cc2a39 </div>
<div style="display:none"> Gerrit-Change-Number: 11422 </div>
<div style="display:none"> Gerrit-PatchSet: 2 </div>
<div style="display:none"> Gerrit-Owner: Alexei Gradinari <alex2grad@gmail.com> </div>
<div style="display:none"> Gerrit-Reviewer: Friendly Automation </div>
<div style="display:none"> Gerrit-MessageType: newpatchset </div>