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<p class=MsoNormal><span style='color:#1F497D'>My guess would be the new SCCP
version added in 7.1 to accommodate IPv6. I would imagine SRST 4.1 probably doesn&#8217;t
support IPv6. However, if you aren&#8217;t using IPv6, then perhaps you may not
encounter a problem. You would need a TAC case to get a non-guess however.<o:p></o:p></span></p>

<p class=MsoNormal><span style='color:#1F497D'><o:p>&nbsp;</o:p></span></p>

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<p class=MsoNormal><span style='color:#1F497D'>-Chris<o:p></o:p></span></p>

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<p class=MsoNormal><span style='color:#1F497D'><o:p>&nbsp;</o:p></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"'>
cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net] <b>On
Behalf Of </b>Jason Aarons (US)<br>
<b>Sent:</b> Thursday, October 22, 2009 8:40 PM<br>
<b>To:</b> cisco-voip@puck.nether.net<br>
<b>Subject:</b> [cisco-voip] SRST 4.1 and CallManager 7.1<o:p></o:p></span></p>

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<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal>We have a large customer running a couple thousand
&nbsp;79x1s/7962s with CallManager 7.1(2) with SRST 4.1/12.4(15)T6.<o:p></o:p></p>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal>I noticed SRST 4.1 doesn&#8217;t show CallManager 7 as
Compatible. &nbsp;However, I haven&#8217;t noticed any problems running with
CallManager 7.1. We do 10-15 deployments a night and SRST tests complete fine
and we haven&#8217;t had any problems.<o:p></o:p></p>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal>Any idea why SRST 4.1 doesn&#8217;t list CallManager 7?<o:p></o:p></p>

<p class=MsoNormal><a
href="http://www.cisco.com/en/US/docs/voice_ip_comm/cusrst/requirements/guide/srs41spc.htm">http://www.cisco.com/en/US/docs/voice_ip_comm/cusrst/requirements/guide/srs41spc.htm</a><o:p></o:p></p>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal>I don&#8217;t think we want to risk upgrading IOS for SRST
as 12.4.15T6 has been rock solid. But am I missing any caveats ?<o:p></o:p></p>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

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