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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Thank you Ed for answer.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>As far as I know the SIP firmware does not offer any more
functionality than the SCCP. Actually I think it has even less functionality as
the SCCP firmware.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>So, are there any advantages of using Cisco IP phones with SIP
firmware with Cisco Communications Manager (express of big)?<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Like does it work better behind NAT, better or easier encryption,
security, management, ...?<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Thank you.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>All the best,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> Jozef Janitor<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
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color:#1F497D'><o:p> </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"'> Ed Leatherman
[mailto:ealeatherman@gmail.com] <br>
<b>Sent:</b> Thursday, December 13, 2007 4:04 PM<br>
<b>To:</b> Jozef Janitor<br>
<b>Cc:</b> cisco-voip@puck.nether.net<br>
<b>Subject:</b> Re: [cisco-voip] CCM5/6/Express with SIP or SCCP phones?<o:p></o:p></span></p>
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<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal style='margin-bottom:12.0pt'>Jozef,<br>
<br>
Just from my perspective, we will not be running SIP on endpoints until there
is some very compelling reason to switch. Right now we use SCCP and it has all
the features we need, and under call manager at least it is tried and true. <br>
<br>
Is there anything that SIP does right now on callmanager that SCCP does not do
for general end-user phones?<br>
<br>
Ed<o:p></o:p></p>
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<p class=MsoNormal>On Nov 28, 2007 10:14 AM, Jozef Janitor <<a
href="mailto:jozjan@cnl.tuke.sk"> jozjan@cnl.tuke.sk</a>> wrote:<o:p></o:p></p>
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<p>Hello,<o:p></o:p></p>
<p> <o:p></o:p></p>
<p>I have had bad experiences with SIP firmware on Cisco IP Phones (well, on 3<sup>rd</sup>
party IP PBX), and I think it was already mentioned here in the list that the
SIP firmware is a bit "buggy".<o:p></o:p></p>
<p>But now I am facing a situation where we may have to deploy some Cisco IP
phones with SIP firmware with Cisco Unified Communications Manager (full or
express). Therefore I would like to ask you a question:<o:p></o:p></p>
<p> <o:p></o:p></p>
<p>If you are running Cisco Unified Communications Manager 5+ or 6+ or CCM
Express 4+:<o:p></o:p></p>
<p style='margin-left:20.25pt;text-indent:-18.0pt'>-
Are you using SIP or SCCP firmware on your Cisco IP Phones?<o:p></o:p></p>
<p style='margin-left:56.25pt;text-indent:-18.0pt'>o Why SIP<o:p></o:p></p>
<p style='margin-left:92.25pt;text-indent:-18.0pt'><span style='font-family:
Wingdings'>§</span> <span style='font-family:Wingdings'> </span>Pros?<o:p></o:p></p>
<p style='margin-left:92.25pt;text-indent:-18.0pt'><span style='font-family:
Wingdings'>§</span> <span style='font-family:Wingdings'> </span>Cons?<o:p></o:p></p>
<p style='margin-left:56.25pt;text-indent:-18.0pt'>o Why SCPP?<o:p></o:p></p>
<p style='margin-left:92.25pt;text-indent:-18.0pt'><span style='font-family:
Wingdings'>§</span> <span style='font-family:Wingdings'> </span>Pros?<o:p></o:p></p>
<p style='margin-left:92.25pt;text-indent:-18.0pt'><span style='font-family:
Wingdings'>§</span> <span style='font-family:Wingdings'> </span>Cons?<o:p></o:p></p>
<p> <o:p></o:p></p>
<p>Thank you.<o:p></o:p></p>
<p> <o:p></o:p></p>
<p>All the best,<o:p></o:p></p>
<p> Jozef Janitor<o:p></o:p></p>
<p> <o:p></o:p></p>
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<p class=MsoNormal><br>
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<p class=MsoNormal><br>
<br clear=all>
<br>
-- <br>
Ed Leatherman<br>
Senior Voice Engineer<br>
West Virginia University<br>
Telecommunications and Network Operations <o:p></o:p></p>
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