<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Check the version ID of the phones that won’t downgrade.<div class=""><br class=""></div><div class=""><h4 class="topictitle4">Hardware Updates</h4>
<div class=""><p class=""> The Cisco IP Phone 7821, 7841 and 7861 has hardware updates. The new phone version IDs are:</p>
<ul class=""><li style="margin-top:0.5em; margin-bottom:.5em; line-height:1.2em;" class=""><a name="PA2D_CN_NC2454A0_00__li_CC54D449417C4A09B09974412F24FC70" class=""></a><p class="">Cisco IP Phone 7821: V03</p>
</li>
<li style="margin-top:0.5em; margin-bottom:.5em; line-height:1.2em;" class=""><a name="PA2D_CN_NC2454A0_00__li_FC3701DDD0E149838D0EDF34DF67F46F" class=""></a><p class="">Cisco IP Phone 7841: V04</p>
</li>
<li style="margin-top:0.5em; margin-bottom:.5em; line-height:1.2em;" class=""><a name="PA2D_CN_NC2454A0_00__li_547A3B8808F7453AA5B6F9F99DEC8230" class=""></a><p class="">Cisco IP Phone 7861: V03</p>
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</ul><p class="">
Phones manufactured with the new version ID must run Firmware Release
10.3(1) or later. The phone firmware does not allow the phone to be
downgraded to releases earlier than Firmware Release 10.3(1).</p></div></div><div class=""><br class=""></div><div class="">Source: <a href="http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cuipph/7800-series/10-3-1/english/releasenotes/PA2D_BK_70AD4CFB_00_7811_7821_7841_7861-rn-1031/PA2D_BK_70AD4CFB_00_7811_7821_7841_7861-rn-1031_chapter_00.html#PA2D_CN_NC2454A0_00" class="">http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cuipph/7800-series/10-3-1/english/releasenotes/PA2D_BK_70AD4CFB_00_7811_7821_7841_7861-rn-1031/PA2D_BK_70AD4CFB_00_7811_7821_7841_7861-rn-1031_chapter_00.html#PA2D_CN_NC2454A0_00</a></div><div class=""><br class=""></div><div class="">Joe</div><div class=""> </div><div class=""><div><div class="">On Sep 4, 2015, at 1:36 PM, Brian Meade <<a href="mailto:bmeade90@vt.edu" class="">bmeade90@vt.edu</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><meta http-equiv="Content-Type" content="text/html; charset=utf-8" class=""><div dir="ltr" class="">It's probably not possible to downgrade from 10.3 to 10.1(1)SR1 directly.</div><div class="gmail_extra"><br class=""><div class="gmail_quote">On Fri, Sep 4, 2015 at 1:16 PM, Jason Aarons (AM) <span dir="ltr" class=""><<a href="mailto:jason.aarons@dimensiondata.com" target="_blank" class="">jason.aarons@dimensiondata.com</a>></span> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div lang="EN-US" link="#0563C1" vlink="#954F72" class="">
<div class=""><p class="MsoNormal"><span style="font-size: 14pt; font-family: 'Times New Roman', serif;" class="">Any idea why the 7841 phone loads would quit working?</span><span style="font-size:14.0pt;font-family:"Times New Roman",serif;color:#1f497d" class=""> CallManager 10.5.1</span><span style="font-size: 14pt; font-family: 'Times New Roman', serif;" class=""><u class=""></u><u class=""></u></span></p><p class="MsoNormal"><span style="font-size: 14pt; font-family: 'Times New Roman', serif;" class=""><u class=""></u> <u class=""></u></span></p><p class="MsoNormal"><span style="font-size: 14pt; font-family: 'Times New Roman', serif;" class=""><span id="cid:image002.png@01D0E6F8.C17DCF30"><image002.png></span><u class=""></u><u class=""></u></span></p><p class="MsoNormal"><span style="font-size: 14pt; font-family: 'Times New Roman', serif;" class=""><u class=""></u> <u class=""></u></span></p><p class="MsoNormal"><span style="font-size: 14pt; font-family: 'Times New Roman', serif;" class="">Phones come up and function normally, but the last twenty or so have
<u class=""></u><u class=""></u></span></p><p class="MsoNormal"><span style="font-size: 14pt; font-family: 'Times New Roman', serif;" class="">this status.<u class=""></u><u class=""></u></span></p><p class="MsoNormal"><span style="font-size: 14pt; font-family: 'Times New Roman', serif;" class=""><u class=""></u> <u class=""></u></span></p>
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