<div dir="ltr">You're going to want to know the requirements and differences in the two factory reset procedures.  Without proper DHCP/Option 150/TFTP, factory resetting your phone can actually brick your phone.  Careful!<div><br></div><div>A guy I'm lucky enough to know has posted about this in the past.</div><div><br></div><div><a href="http://www.the-lan-man.net/wordpress/2012/cisco-ip-phone-7900-reset-sequences/">http://www.the-lan-man.net/wordpress/2012/cisco-ip-phone-7900-reset-sequences/</a><br><br><div class="gmail_quote"><div dir="ltr">On Sun, Feb 11, 2018 at 12:07 PM Vinnie Dao <<a href="mailto:vinnie@tdnetwork.com">vinnie@tdnetwork.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">








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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">HI Anthony,<u></u><u></u></span></p>

<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Appreciated your reply,<u></u><u></u></span></p>

<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">The link you sent requires login,<u></u><u></u></span></p>

<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p>

<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">I am not sure what version on them, since they are stand by
units for a while,  from the last time they were working at one point.  I tried
to reset, 1234567890*# but still the same issue.<u></u><u></u></span></p>

<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p>

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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Anthony Holloway
[mailto:<a href="mailto:avholloway%2Bcisco-voip@gmail.com" target="_blank">avholloway+cisco-voip@gmail.com</a>] <br>
<b>Sent:</b> Sunday, February 11, 2018 9:53 AM<br>
<b>To:</b> Vinnie Dao</span></p></div></div></div><div lang="EN-US" link="blue" vlink="purple"><div class="m_-7644008472612519543Section1"><div style="border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0in 0in 0in"><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""><br>
<b>Cc:</b> <a href="mailto:cisco-voip@puck.nether.net" target="_blank">cisco-voip@puck.nether.net</a><br>
<b>Subject:</b> Re: [cisco-voip] Cisco 7975 or 7965 stuck at speaker button Red
LED, sorry if this is a repost<u></u><u></u></span></p></div></div></div><div lang="EN-US" link="blue" vlink="purple"><div class="m_-7644008472612519543Section1"><div style="border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0in 0in 0in"><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""></span></p>

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<p class="MsoNormal"><u></u> <u></u></p>

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<p class="MsoNormal">Did you already look through the bug search tool?<u></u><u></u></p></div></div></div><div lang="EN-US" link="blue" vlink="purple"><div class="m_-7644008472612519543Section1"><div>

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<p class="MsoNormal"><u></u> <u></u></p>

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<p class="MsoNormal"><a href="https://bst.cloudapps.cisco.com/bugsearch/search?kw=stuck%20boot&pf=prdNm&pfVal=269065653&sb=anfr" target="_blank">https://bst.cloudapps.cisco.com/bugsearch/search?kw=stuck%20boot&pf=prdNm&pfVal=269065653&sb=anfr</a><u></u><u></u></p>

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<p class="MsoNormal"><u></u> <u></u></p>

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<p class="MsoNormal">What version of firmware is it, and what can you do to clear
the problem?  I.e., Power cycle the phone?<u></u><u></u></p>

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<p class="MsoNormal"><u></u> <u></u></p>

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<p class="MsoNormal">On Sun, Feb 11, 2018 at 11:49 AM Vinnie Dao <<a href="mailto:vinnie@tdnetwork.com" target="_blank">vinnie@tdnetwork.com</a>> wrote:<u></u><u></u></p>

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<p class="MsoNormal">Greeting
to all,<u></u><u></u></p>

<p class="MsoNormal"> <u></u><u></u></p>

<p class="MsoNormal">Lately,
I have some CP-7965 and CP-7975 stuck at speaker button during boot up as red
LED and stay there for long time.  Has anyone got this issue and know how
to fix it?<u></u><u></u></p>

<p class="MsoNormal"> <u></u><u></u></p>

<p class="MsoNormal">Please
advise where to go from here to resolve this issue, and thank you very much for
your time.<u></u><u></u></p>

<p class="MsoNormal"> <u></u><u></u></p>

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<p class="MsoNormal">_______________________________________________<br>
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