<div dir="ltr">OK, TAC never responded to me, but I found the solution.... I did a packet capture from the phone and saw it come back with an invalid CA for the Let's Encrypt certs... I uploaded the cert chain for Let's Encrypt to Phone-Edge-Trust on the CCM Publisher and the phone registered.<div><br></div><div>Phone-Edge-Trust uploads the certs to the Cisco Cloud, so when the phone gets the activation code it downloads those certs into its trust store.</div><div><br></div><div>This cert store is designed for people using their own internal certs, but my phone was a CP-8845-K9=V03 I got in 2017 and probably predates the Lets Encrypt CA.... so, if you see TLS error or Invalid CA in the PCAP, it is worth a shot to upload the E's external cert chain to the Pub.</div><div><br></div><div><br></div><div>Jonathan</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Nov 11, 2021 at 4:57 PM Jonathan Charles <<a href="mailto:jonvoip@gmail.com">jonvoip@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Yes, they will, the Expressway E was designed around an ACME cert and Let's Encrypt is super free.<div><br></div><div>Anyway, I think the issue is between the Expressway and CUCM at this point... escalating to TAc...</div><div><br></div><div><br></div><div>Jonathan</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Nov 11, 2021 at 4:49 PM Brian V <<a href="mailto:bvanbens@gmail.com" target="_blank">bvanbens@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">WIll the phones trust a LetsEncrypt cert ? <div>Jabber works because the OS (Windows/MAC/iOS/Droid) gets updated root CA certs on a regular basis </div><div>The trusted certs in the phone have to be placed there in the software by Cisco. </div><div>This might be a situation where newer code on a phone is required if the trusted Root CA (or chain) for Lets Encrypt is missing on the phone.</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Nov 11, 2021 at 11:27 AM Matthew Huff <<a href="mailto:mhuff@ox.com" target="_blank">mhuff@ox.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div lang="EN-US">
<div>
<p class="MsoNormal"><span>I wouldn’t put a lot of weight in the status on the phone with the TLS error, I’ve seen that with working phones. Do you have
the phone MRA domain set? We have a separate device pool for MRA devices so it can set the time from external
<span>ntp</span> sources. If the time on the phone is off, the crypto can fail as well.<u></u><u></u></span></p>
<p class="MsoNormal"><span><u></u> <u></u></span></p>
<p class="MsoNormal"><b><span lang="EN-GB" style="font-family:Arial,sans-serif;color:rgb(31,73,125)">Matthew Huff</span></b><span lang="EN-GB" style="font-family:Arial,sans-serif;color:rgb(31,73,125)">
| Director of Technical Operations | OTA Management LLC<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-AU" style="font-size:4pt;font-family:Arial,sans-serif;color:rgb(31,73,125)"><u></u> <u></u></span></p>
<p class="MsoNormal"><i><span lang="EN-GB" style="font-family:Arial,sans-serif;color:rgb(31,73,125)">Office: 914-460-4039<u></u><u></u></span></i></p>
<p class="MsoNormal"><i><span lang="EN-GB" style="font-family:Arial,sans-serif;color:rgb(31,73,125)"><a href="mailto:mhuff@ox.com" target="_blank"><span style="color:rgb(5,99,193)">mhuff@ox.com</span></a>
| </span></i><i><span lang="EN-GB" style="font-family:Arial,sans-serif"><a href="http://www.ox.com" target="_blank"><span style="color:rgb(5,99,193)">www.ox.com</span></a><span style="color:rgb(31,73,125)"><u></u><u></u></span></span></i></p>
<p class="MsoNormal"><b><span style="font-size:7.5pt;font-family:Arial,sans-serif;color:gray">...........................................................................................................................................<u></u><u></u></span></b></p>
<p class="MsoNormal"><span><u></u> <u></u></span></p>
<p class="MsoNormal" style="margin-left:0.5in"><b><span>From:</span></b><span> Jonathan Charles <<a href="mailto:jonvoip@gmail.com" target="_blank">jonvoip@gmail.com</a>>
<br>
<b>Sent:</b> Thursday, November 11, 2021 11:50 AM<br>
<b>To:</b> Matthew Huff <<a href="mailto:mhuff@ox.com" target="_blank">mhuff@ox.com</a>><br>
<b>Cc:</b> Brian Meade <<a href="mailto:bmeade90@vt.edu" target="_blank">bmeade90@vt.edu</a>>; cisco-voip voyp list <<a href="mailto:cisco-voip@puck.nether.net" target="_blank">cisco-voip@puck.nether.net</a>><br>
<b>Subject:</b> Re: [cisco-voip] MRA Onboarding via activation code... phone trust list?<u></u><u></u></span></p>
<p class="MsoNormal" style="margin-left:0.5in"><u></u> <u></u></p>
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<p class="MsoNormal" style="margin-left:0.5in">It is running 12.8... it has been locally reg'd before...<u></u><u></u></p>
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<p class="MsoNormal" style="margin-left:0.5in"><u></u> <u></u></p>
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<p class="MsoNormal" style="margin-left:0.5in">On Thu, Nov 11, 2021 at 10:44 AM Matthew Huff <<a href="mailto:mhuff@ox.com" target="_blank">mhuff@ox.com</a>> wrote:<u></u><u></u></p>
</div>
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In the lab, have you tried setting up the phone without MRA and get the firmware uploaded first? Depending on how old the firmware is, you may have issues with onboarding. Our 8861 wouldn’t onboard until at least 12.5.<u></u><u></u></p>
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<u></u><u></u></p>
<p class="MsoNormal" style="margin-left:0.5in">
<b><span lang="EN-GB" style="font-family:Arial,sans-serif;color:rgb(31,73,125)">Matthew Huff</span></b><span lang="EN-GB" style="font-family:Arial,sans-serif;color:rgb(31,73,125)"> | Director of Technical Operations | OTA
Management LLC</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:0.5in">
<span lang="EN-AU" style="font-size:4pt;font-family:Arial,sans-serif;color:rgb(31,73,125)"> </span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:0.5in">
<i><span lang="EN-GB" style="font-family:Arial,sans-serif;color:rgb(31,73,125)">Office: 914-460-4039</span></i><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:0.5in">
<i><span lang="EN-GB" style="font-family:Arial,sans-serif;color:rgb(31,73,125)"><a href="mailto:mhuff@ox.com" target="_blank"><span style="color:rgb(5,99,193)">mhuff@ox.com</span></a> | </span></i><i><span lang="EN-GB" style="font-family:Arial,sans-serif"><a href="http://www.ox.com" target="_blank"><span style="color:rgb(5,99,193)">www.ox.com</span></a></span></i><u></u><u></u></p>
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<b><span style="font-size:7.5pt;font-family:Arial,sans-serif;color:gray">...........................................................................................................................................</span></b><u></u><u></u></p>
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<u></u><u></u></p>
<p class="MsoNormal" style="margin-left:1in">
<b>From:</b> cisco-voip <<a href="mailto:cisco-voip-bounces@puck.nether.net" target="_blank">cisco-voip-bounces@puck.nether.net</a>>
<b>On Behalf Of </b>Jonathan Charles<br>
<b>Sent:</b> Thursday, November 11, 2021 11:10 AM<br>
<b>To:</b> Brian Meade <<a href="mailto:bmeade90@vt.edu" target="_blank">bmeade90@vt.edu</a>><br>
<b>Cc:</b> cisco-voip voyp list <<a href="mailto:cisco-voip@puck.nether.net" target="_blank">cisco-voip@puck.nether.net</a>><br>
<b>Subject:</b> Re: [cisco-voip] MRA Onboarding via activation code... phone trust list?<u></u><u></u></p>
<p class="MsoNormal" style="margin-left:1in">
<u></u><u></u></p>
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On the phone, we see TLS connection failed... the E's cert is signed by Let's Encrypt... <u></u><u></u></p>
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<u></u><u></u></p>
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<p class="MsoNormal" style="margin-left:1in">
On the Expressway E we see some certificate exchange and then resets in the connection...<u></u><u></u></p>
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<u></u><u></u></p>
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MRA works fine for Jabber.... just 8845 Activation Code onboarding is failing...<u></u><u></u></p>
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<u></u><u></u></p>
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<u></u><u></u></p>
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<p class="MsoNormal" style="margin-left:1in">
Jonathan<u></u><u></u></p>
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<u></u><u></u></p>
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On Tue, Nov 9, 2021 at 5:57 PM Brian Meade <<a href="mailto:bmeade90@vt.edu" target="_blank">bmeade90@vt.edu</a>> wrote:<u></u><u></u></p>
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What's the console logs show?<u></u><u></u></p>
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<u></u><u></u></p>
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<p class="MsoNormal" style="margin-left:1in">
The Expressway needs to be signed by one of the trusted CAs listed that are part of the phone firmware.<u></u><u></u></p>
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<p class="MsoNormal" style="margin-left:1in">
<u></u><u></u></p>
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<p class="MsoNormal" style="margin-left:1in">
The Expressway cert authenticates the phone with the MIC.<u></u><u></u></p>
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<u></u><u></u></p>
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<p class="MsoNormal" style="margin-left:1in">
Do you have activation code onboarding enabled under the MRA config on the Expressway-C?<u></u><u></u></p>
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<u></u><u></u></p>
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On Fri, Nov 5, 2021, 5:30 PM Jonathan Charles <<a href="mailto:jonvoip@gmail.com" target="_blank">jonvoip@gmail.com</a>> wrote:<u></u><u></u></p>
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So, I set up activation code MRA for an 8845 (lab first)...<u></u><u></u></p>
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<u></u><u></u></p>
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Cloud onboarding worked, got an activation code, tried it out...<u></u><u></u></p>
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<u></u><u></u></p>
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<p class="MsoNormal" style="margin-left:1in">
Phone kicks back 'check internet connectivtity' and on the status on the phone says:<u></u><u></u></p>
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<u></u><u></u></p>
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<p class="MsoNormal" style="margin-left:1in">
GDS Handshake Succeeded <u></u><u></u></p>
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<p class="MsoNormal" style="margin-left:1in">
A TLS connection failed...<u></u><u></u></p>
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<u></u><u></u></p>
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<p class="MsoNormal" style="margin-left:1in">
GDS is Cisco's cloud onboarding thingy.... I am assuming it didn't like the TLS connection the expressway, but I don't see anything in the Expressway logs...<u></u><u></u></p>
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<u></u><u></u></p>
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<p class="MsoNormal" style="margin-left:1in">
There is a bug and it says we need to load a Hydrant cert back into the trust store...<u></u><u></u></p>
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<p class="MsoNormal" style="margin-left:1in">
<a href="https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvt67257?rfs=iqvred" target="_blank">https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvt67257?rfs=iqvred</a><u></u><u></u></p>
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<u></u><u></u></p>
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<p class="MsoNormal" style="margin-left:1in">
But where do we need to load it? Tomcat Trust? On the Expressways? The bug doesn't say... it needs to be pushed to the phone's trust list, how do you do that?<u></u><u></u></p>
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<u></u><u></u></p>
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<u></u><u></u></p>
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Thanks!<u></u><u></u></p>
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<u></u><u></u></p>
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<p class="MsoNormal" style="margin-left:1in">
Jonathan<u></u><u></u></p>
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<p class="MsoNormal" style="margin-left:1in">
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