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if your callmanager servers are configured by server name instead of IP
in ccmadmin under system->server, the phone must perform DNS lookup
to get the IP of CM.<br>
<br>
If you use IP Phones across a NAT boundary you have to use the method
above combined with DNS fixup for NAT to get phones to register
properly to CallManager.<br>
<br>
/Wes<br>
<br>
Vincent De Keyzer wrote:
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<p class="MsoNormal"><font face="Tahoma" size="2"><span
style="font-size: 10pt; font-family: Tahoma;" lang="EN-GB">Hello,<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Tahoma" size="2"><span
style="font-size: 10pt; font-family: Tahoma;" lang="EN-GB"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font face="Tahoma" size="2"><span
style="font-size: 10pt; font-family: Tahoma;" lang="EN-GB">what do IP
phones use DNS servers for (apart surfing
the web on a very small display)?<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Tahoma" size="2"><span
style="font-size: 10pt; font-family: Tahoma;" lang="EN-GB"><o:p> </o:p></span></font></p>
<p class="MsoAutoSig"><font face="Tahoma" size="2"><span
style="font-size: 10pt; font-family: Tahoma;">Vincent</span></font><o:p></o:p></p>
<p class="MsoAutoSig"><font face="Times New Roman" size="3"><span
style="font-size: 12pt;"> <o:p></o:p></span></font></p>
<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"><font face="Times New Roman" size="3"><span
style="font-size: 12pt;"><o:p> </o:p></span></font></p>
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