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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>It sounds like you have (or they have) portabilling configured
with two separate SIP servers for your CallManagers, and not primary/failover.<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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<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<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>Andy Saykao<br>
<b>Sent:</b> Wednesday, February 06, 2008 12:39 AM<br>
<b>To:</b> cisco-voip@puck.nether.net<br>
<b>Subject:</b> [cisco-voip] Cisco IP Phones receiving two calls from CCM 5.1<o:p></o:p></span></p>
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<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Hi
there,</span><o:p></o:p></p>
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<p class=MsoNormal> <o:p></o:p></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>We
are running two Cisco Call Manager 5.1 servers here and need to integrate
this with our current SIP set up which uses PortaBilling. When external calls
come into our SIP gateway (PortaBilling), they are forwarded to the Cisco Call
Managers (CCM). Because we have TWO CCM's (for redundancy), PortaBilling
forwards it to both Call Mananger Server and we end up with two calls showing
up on our Cisco IP Phone PLUS it takes up two media (dsp) channels. </span><o:p></o:p></p>
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<p class=MsoNormal> <o:p></o:p></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Is
there something that can be done from either Porta or on the Cisco Call
Manager to prevent this from happening so we only receive one call? Maybe
clustering of the CCM's???</span><o:p></o:p></p>
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<p class=MsoNormal> <o:p></o:p></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Anyone help
would be greatly appreciated.</span><o:p></o:p></p>
</div>
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<p class=MsoNormal> <o:p></o:p></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Thanks.<br>
<br>
Andy</span><o:p></o:p></p>
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