<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><div><span>It's easy to configure a SIP trunk on CCM7 and DDIs (or DIDs as called here in NANPA) are not adversely affected. However you will need a CUBE to perform address hiding as it is best practice. Please read up on these bits in the CCM SRND.</span></div><div><span><br></span></div><div><span>CCM7 <-> CUBE <-> ITSP</span></div><div><br></div><div>You might require an MTP for inbound calls to work properly but it's not a big deal AFAIK.</div><div><br></div> <div style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt; "> <div style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt; "> <div dir="ltr"> <font size="2" face="Arial"> <hr size="1"> <b><span style="font-weight:bold;">From:</span></b> Robin Clayton <Robin.Clayton@rrfa.org.uk><br> <b><span
style="font-weight: bold;">To:</span></b> "cisco-voip@puck.nether.net" <cisco-voip@puck.nether.net> <br> <b><span style="font-weight: bold;">Sent:</span></b> Friday, July 6, 2012 5:29 AM<br> <b><span style="font-weight: bold;">Subject:</span></b> [cisco-voip] Configuring a SIP trunk on CM7.x<br> </font> </div> <br>
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<div class="yiv1923907098MsoNormal">Dear All,</div>
<div class="yiv1923907098MsoNormal"> </div>
<div class="yiv1923907098MsoNormal">A failure on our ISDN30 (E1) circuit this morning has prompted re-discussion of SIP trunks.
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<div class="yiv1923907098MsoNormal"> </div>
<div class="yiv1923907098MsoNormal">How easy is a SIP trunk to configure on a CM7.x server and how does it affect DDI’s?</div>
<div class="yiv1923907098MsoNormal"> </div>
<div class="yiv1923907098MsoNormal">Any info would be appreciated.</div>
<div class="yiv1923907098MsoNormal"> </div>
<div class="yiv1923907098MsoNormal">Rob</div>
<div class="yiv1923907098MsoNormal"> </div>
<div class="yiv1923907098MsoNormal"> </div>
<div class="yiv1923907098MsoNormal"> </div>
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<div class="yiv1923907098MsoNormal"><b><i><span style="font-size:10.0pt;">=========================</span></i></b></div>
<div class="yiv1923907098MsoNormal"><b><i><span style="font-size:10.0pt;">Robin Clayton</span></i></b></div>
<div class="yiv1923907098MsoNormal"><b><i><span style="font-size:10.0pt;"> </span></i></b></div>
<div class="yiv1923907098MsoNormal"><b><i><span style="font-size:10.0pt;">Network Transition Manager</span></i></b></div>
<div class="yiv1923907098MsoNormal"><b><i><span style="font-size:10.0pt;">Richard Rose Federation</span></i></b></div>
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<div class="yiv1923907098MsoNormal"><b><i><span lang="ES-TRAD" style="font-size:10.0pt;">Tel: 01228 822075</span></i></b></div>
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