<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: arial,helvetica,sans-serif; font-size: 10pt; color: #000000'>Right, but as I said earlier, I'm already in the same building as the tandem, so I'm just adding points of failure for moving an existing operation somewhere else.<br><br><div><span name="x"></span><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><span name="x"></span><br></div><br><hr id="zwchr"><div style="color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;"><b>From: </b>"Mary Lou Carey" <marylou@backuptelecom.com><br><b>To: </b>"Mike Hammett" <voiceops@ics-il.net><br><b>Cc: </b>"Paul Timmins" <paul@timmins.net>, "voiceops" <voiceops@voiceops.org><br><b>Sent: </b>Monday, January 24, 2022 10:42:22 PM<br><b>Subject: </b>Re: [VoiceOps] SS7 Landscape<br><br>When you use a PSTN connection provider you route your traffic to them <br>via SIP and they handle all the SS7 so you can eliminate your direct LIS <br>trunks with the LEC and your SS7 Links.<br><br>MARY LOU CAREY<br>BackUP Telecom Consulting<br>Office: 615-791-9969<br>Cell: 615-796-1111<br><br>On 2022-01-23 05:33 AM, Mike Hammett wrote:<br>> Well right, but wouldn't I still need all of the same stuff (perhaps a<br>> few less trunks to specific switches, only now I have fewer minutes to<br>> spread the costs over?<br>> <br>> -----<br>> Mike Hammett<br>> Intelligent Computing Solutions<br>> http://www.ics-il.com<br>> <br>> Midwest Internet Exchange<br>> http://www.midwest-ix.com<br>> <br>> -------------------------<br>> <br>> From: "Paul Timmins" <paul@timmins.net><br>> To: "Mike Hammett" <voiceops@ics-il.net><br>> Cc: "voiceops" <voiceops@voiceops.org><br>> Sent: Sunday, January 23, 2022 12:01:01 AM<br>> Subject: Re: [VoiceOps] SS7 Landscape<br>> <br>> Even without IPES you can switch your feature group D to voip through<br>> these aggregators and get rid of basically everything that isn't the<br>> local LEC's legacy network.<br>> <br>>> On Jan 22, 2022, at 7:03 PM, Mike Hammett <voiceops@ics-il.net><br>>> wrote:<br>>> <br>>> Sure, but then I just transfer the problem to someone else, until<br>>> the traditional PSTN goes away or modernizes. I am working on IPES<br>>> for expansion markets, though.<br>>> <br>>> Also, for my home LATA, I'm needing to be in the same building as<br>>> the primary tandem, so it's kind of a selling point for large<br>>> customers in that area that I would have fewer opportunities for<br>>> failures. I don't have to go to Chicago and back to get to the<br>>> operator in the next row of racks over. Though, I suppose my SS7<br>>> diversity and availability is the weakness, not the actual call<br>>> path.<br>>> <br>>> -----<br>>> Mike Hammett<br>>> Intelligent Computing Solutions<br>>> http://www.ics-il.com [1]<br>>> <br>>> Midwest Internet Exchange<br>>> http://www.midwest-ix.com [2]<br>>> <br>>> -------------------------<br>>> <br>>> From: "Paul Timmins" <paul@timmins.net><br>>> To: "Mike Hammett" <voiceops@ics-il.net><br>>> Cc: "voiceops" <voiceops@voiceops.org><br>>> Sent: Saturday, January 22, 2022 1:46:46 PM<br>>> Subject: Re: [VoiceOps] SS7 Landscape<br>>> <br>>> Reduce your reliance on it more and more. Switch to IP tandems<br>>> (Inteliquent/Peerless/etc) and ip interconnect. The people who make<br>>> and support SS7 equipment are in a dying market, the brain drain on<br>>> it is immense as people retire, and the longer you rely on it, the<br>>> worse it's gonna get.<br>>> <br>>> TNS is a big dog in the space. But that's not saying much anymore.<br>>> <br>>>> On Jan 22, 2022, at 10:00 AM, Mike Hammett <voiceops@ics-il.net><br>>>> wrote:<br>>>> <br>>>> We currently get our SS7 via TNS. I (maybe incorrectly) understand<br>>>> them to be a big dog in that space.<br>>>> <br>>>> I've had two major problems with them in six months.<br>>>> <br>>>> What are my alternatives? Are they less pleasant?<br>>>> <br>>>> -----<br>>>> Mike Hammett<br>>>> Intelligent Computing Solutions<br>>>> http://www.ics-il.com [1]<br>>>> <br>>>> Midwest Internet Exchange<br>>>> http://www.midwest-ix.com [2]<br>>>> <br>>>> _______________________________________________<br>>>> VoiceOps mailing list<br>>>> VoiceOps@voiceops.org<br>>>> https://puck.nether.net/mailman/listinfo/voiceops<br>> <br>> <br>> <br>> Links:<br>> ------<br>> [1] http://www.ics-il.com/<br>> [2] http://www.midwest-ix.com/<br>> _______________________________________________<br>> VoiceOps mailing list<br>> VoiceOps@voiceops.org<br>> https://puck.nether.net/mailman/listinfo/voiceops<br></div><br></div></body></html>