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Are you using SIP (on the dial peer and CUC ports)? If not, I’d use SIP as it tends to work better in my experience. Additionally, make sure the dial peer’s DTMF method supports RTP-NTE (<span style="background-color: rgba(255, 255, 255, 0);">dtmf-relay rtp-nte)</span>.
Make sure you have codecs in the dial peer matched for whatever you have set in CUC (G711ulaw should work by way of default settings in CUC).<br>
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Also, verify the VGW is specifying a MWI server (<span style="background-color: rgba(255, 255, 255, 0);">mwi-server xx.xx.xx.xx unsolicited).</span>
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<div>Thanks,</div>
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<div>Ryan</div>
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<div dir="ltr">On Dec 31, 2018, at 08:24, Ahmed Abd EL-Rahman <<a href="mailto:Ahmed.Rahman@bmbgroup.com">Ahmed.Rahman@bmbgroup.com</a>> wrote:<br>
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<p class="MsoNormal">Dear Gents,<o:p></o:p></p>
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<p class="MsoNormal">I have a CUCM 11.5 setup with central and remote sites, each remote site has a local Unity connection providing Auto Attendant functionality and everything is working just fine except for one point which is during WAN outage the SRST on
the site voice gateway router is hosting phones and phones can call each others and place outside PSTN calls successfully, but incoming calls to the site through PSTN lines is not hunting in the AA on the local CUC although I have a dial peer for the pilot
pointing to the CUC IP address and the IP address of the VGW is added to the list of servers in the ports configurations on CUC.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">So I do appreciate if anyone have a working configuration example of such scenario which makes the AA on local CUC works during SRST situation (WAN outage) or at least highlight the needed configurations.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Thanks.<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#383E4C">Best Regards<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Verdana",sans-serif;color:#1F497D"> </span><span style="font-family:"Verdana",sans-serif;color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:1.0pt"><span style="font-family:"Verdana Bold";color:#383E4C">Ahmed Abd EL-Rahman<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:1.0pt"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#383E4C">Senior Network Engineer</span><span style="color:#44546A"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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