<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Likely means the busy tone is being played in-band rather than the disconnect with cause User Busy being propagated all the way back from the PSTN.<div><br></div><div>Check debugs on the voice gateway and CCM traces to see what's going on. </div><div><br><div>
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div>-Ryan</div></span>
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<br><div><div>On Jun 20, 2011, at 3:35 AM, Reto Gassmann wrote:</div><br class="Apple-interchange-newline"><div>Hello Group</div><div> </div><div>We have a CUCM 7.1(3a) Cluster and some PRI to the PSTN via 3745 Router.</div><div> </div><div>If we call from a internal extension to a busy other internal extension we get a busy signal and on the display it shows "Busy". </div>
<div>If we call the busy extension from an ISDN line we get the busy signal and the ISDN phone shows "Line Busy".</div><div> </div><div>If we call the same busy extension via PSTN we get the busy signal but on the display it shows "Call Proceed". </div>
<div>If we call from an internal extension to a busy external extension on the PSTN we get the busy signal and on the display it shows "Call Proceed".</div><div> </div><div>Why don't we get "Busy" on the display if we call via PSTN?</div>
<div> </div><div>Has anyone an idea</div><div> </div><div>Thanks Reto</div><div> </div>
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