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<DIV><FONT size=2>This worries me. We just had a talk with Cisco and they said
as long as you open only the ports you require and use CSA and AV you should be
Ok. We haven't opened things up to the Internet, but it will be a campus
allowance. We want to begin using IPC and other hardphones that don't have
CDP.</FONT></DIV>
<DIV><FONT size=2></FONT> </DIV>
<DIV><FONT size=2>I can just see the hassle.</FONT></DIV>
<DIV> </DIV>
<DIV>--------------------------------------------------------------------------------<BR>Lelio
Fulgenzi, B.A.<BR>Senior Analyst (CCS) * University of Guelph * Guelph, Ontario
N1G 2W1<BR>(519) 824-4120 x56354 (519) 767-1060 FAX
(JNHN)<BR>^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
<BR>"I can eat fifty eggs." "Nobody can eat fifty eggs."</DIV>
<BLOCKQUOTE
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=Matt.Slaga@us.didata.com href="mailto:Matt.Slaga@us.didata.com">Matt
Slaga (US)</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=manoj.kalpage@gmail.com
href="mailto:manoj.kalpage@gmail.com">Manoj Kalpage</A> ; <A
title=cisco-voip@puck.nether.net
href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Friday, August 18, 2006 8:15
AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: [cisco-voip] Callmanager
implementation over Internet</DIV>
<DIV><BR></DIV>
<DIV class=Section1>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">You can use the SCCP
proxy by Metreos to accomplish this and still remain secure.
<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">I have implemented a
callmanager/unity directly on the internet in the past for a company in your
same situation. Their server had more worms in viruses in 1 week than
I’ve seen in my whole life (even with CSA & AV, they were able to take
control of the server through a buffer overflow we think and disabled these
services). Perhaps CCM5 would be better suited for this purpose, or you
could use your pix to only allow the necessary
ports.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<DIV>
<DIV class=MsoNormal style="TEXT-ALIGN: center" align=center><FONT
face="Times New Roman" size=3><SPAN style="FONT-SIZE: 12pt">
<HR tabIndex=-1 align=center width="100%" SIZE=2>
</SPAN></FONT></DIV>
<P class=MsoNormal><B><FONT face=Tahoma size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">From:</SPAN></FONT></B><FONT
face=Tahoma size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">
cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net]
<B><SPAN style="FONT-WEIGHT: bold">On Behalf Of </SPAN></B>Manoj
Kalpage<BR><B><SPAN style="FONT-WEIGHT: bold">Sent:</SPAN></B> Friday, August
18, 2006 4:23 AM<BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B>
cisco-voip@puck.nether.net<BR><B><SPAN
style="FONT-WEIGHT: bold">Subject:</SPAN></B> [cisco-voip] Callmanager
implementation over Internet</SPAN></FONT><o:p></o:p></P></DIV>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-BOTTOM: 12pt"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt">Hi All,<BR>We have Call Manager and Unity
hosted in Data Centre. All our clients have VPN connection to Data Centre. I
am using PIX 515 at Data Centre and PIX501 at clients side. All are working
perfect except voice quality issue some times. Since this is PBXL hosting
service and security is not that much concern, I am wondering I can setup
phones to acess CCM and Unity over the internet using gloabl IP address on
Cisco IP Phones. Has anyone every implemented CallManager and Unity over
internet? Your comment and advice would be greatly appreciated. <BR><BR>Best
regards,<BR>Manoj<o:p></o:p></SPAN></FONT></P></DIV>
<P>
<HR SIZE=1>
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