<html><body><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt; color: #000000"><div>We have tried on five of their ports. No dice so far.</div><div><br data-mce-bogus="1"></div><div>They did do a loopback from one of the ONS ports to an analog trunk port and that apparently worked.</div><div><br></div><div data-marker="__SIG_PRE__"><br><br>-----<br>Mike Hammett<br>Intelligent Computing Solutions<br>http://www.ics-il.com<br><br><br><br>Midwest Internet Exchange<br>http://www.midwest-ix.com<br><br></div><div><br></div><hr id="zwchr" data-marker="__DIVIDER__"><div data-marker="__HEADERS__"><b>From: </b>"Brian Heinz" <brian.e.heinz@gmail.com><br><b>To: </b>"Mike Hammett" <voiceops@ics-il.net><br><b>Cc: </b>"voiceops" <voiceops@voiceops.org><br><b>Sent: </b>Monday, March 14, 2022 6:11:15 PM<br><b>Subject: </b>Re: [VoiceOps] Mitel 3300 Issues<br></div><div><br></div><div data-marker="__QUOTED_TEXT__"><div dir="ltr"><div dir="ltr">I work for a Mitel partner and have worked with 3300's since 2004. Assuming this is the embedded analog board on the controller, the ring detect threshold per the Mitel hardware documentation is 20-30Vrms, depending on the frequency of the ringing signal coming in.<input name="virtru-metadata" type="hidden" value="{"email-policy":{"state":"closed","expirationUnit":"days","disableCopyPaste":false,"disablePrint":false,"disableForwarding":false,"enableNoauth":false,"persistentProtection":false,"expandedWatermarking":false,"expires":false,"isManaged":false},"attachments":{},"compose-id":"1","compose-window":{"secure":false}}"><br><div>That being said, it's entirely possible the port on the board has gone bad, I've seen it myself. Is there an unused port on the board you can connect to?</div></div><br><div class="elided-text"><div dir="ltr">On Mon, Mar 14, 2022 at 3:58 PM Mike Hammett <<a href="mailto:voiceops@ics-il.net" target="_blank" rel="nofollow noopener noreferrer">voiceops@ics-il.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb( 204 , 204 , 204 );padding-left:1ex"><div><div style="font-family:'arial' , 'helvetica' , sans-serif;font-size:10pt;color:rgb( 0 , 0 , 0 )"><span style="font-size:13.3333px;background-color:rgb( 255 , 255 , 255 )">A customer of mine has a Mitel 3300 PBX. We deliver to them analog lines.</span><div style="font-size:13.3333px;background-color:rgb( 255 , 255 , 255 )"><br></div><div style="font-size:13.3333px;background-color:rgb( 255 , 255 , 255 )"><br></div><div style="font-size:13.3333px;background-color:rgb( 255 , 255 , 255 )">Everything worked fine for months, if not years. Then one day they say they can't receive inbound calls. They can still place outbound calls.</div><div style="font-size:13.3333px;background-color:rgb( 255 , 255 , 255 )"><br></div><div style="font-size:13.3333px;background-color:rgb( 255 , 255 , 255 )">They're on a Grandstream HT818 ATA. I move some lines to the Zhone ONT that's on-site. No improvement.</div><div style="font-size:13.3333px;background-color:rgb( 255 , 255 , 255 )"><br></div><div style="font-size:13.3333px;background-color:rgb( 255 , 255 , 255 )">I plug in a normal analog handset from Walmart or Menards. They all ring and answer just fine.</div><div style="font-size:13.3333px;background-color:rgb( 255 , 255 , 255 )"><br></div><div style="font-size:13.3333px;background-color:rgb( 255 , 255 , 255 )">I plugged in a patch cable from their Mitel ONS2 to the analog trunk 5 and they set up an extension on that ONS2 so that a call to it would trigger an inbound call on their analog line. Apparently that worked.</div><div style="font-size:13.3333px;background-color:rgb( 255 , 255 , 255 )"><br></div><div style="font-size:13.3333px;background-color:rgb( 255 , 255 , 255 )">The Mitel support agent is saying that we're not sending them between 24v - 48v.</div><div style="font-size:13.3333px;background-color:rgb( 255 , 255 , 255 )"><br></div><div style="font-size:13.3333px;background-color:rgb( 255 , 255 , 255 )">All cables are 6' at most.</div><div style="font-size:13.3333px;background-color:rgb( 255 , 255 , 255 )"><br></div><div style="font-size:13.3333px;background-color:rgb( 255 , 255 , 255 )">A) I don't see anywhere to configure voltage on either platform.</div><div style="font-size:13.3333px;background-color:rgb( 255 , 255 , 255 )">B) I don't know how it could work and then just stop, other than equipment failure.</div><div style="font-size:13.3333px;background-color:rgb( 255 , 255 , 255 )">C) I don't know how it would work just fine on a COTS phone, but not their Mitel.<br>D) I don't know how the same problem could also afflict another ATA (build into the ONT).<br><br><br>Any tips?</div><br><br><div><br><br>-----<br>Mike Hammett<br>Intelligent Computing Solutions<br><a href="http://www.ics-il.com" target="_blank" rel="nofollow noopener noreferrer">http://www.ics-il.com</a><br><br><br><br>Midwest Internet Exchange<br><a href="http://www.midwest-ix.com" target="_blank" rel="nofollow noopener noreferrer">http://www.midwest-ix.com</a><br><br><br></div><br></div></div>_______________________________________________<br>
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