<html><body><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt; color: #000000"><div> <!--StartFragment--><div style="color: #000000; font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;" data-mce-style="color: #000000; font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">The links have since come back. This is the second major failure of TNS within 6 months. No RFO yet, but I will certainly be on them for some detail.</div><div style="color: #000000; font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;" data-mce-style="color: #000000; font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><br></div><div style="color: #000000; font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;" data-mce-style="color: #000000; font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">My Metaswitch support rep verified that (pardon my lack of using the correct terminology, I'm not that familiar with it) our SS7 links never actually went down, it just lost connectivity beyond that. Sorta like my BGP peer stayed up, but I lost the global routing table behind it.</div><!--EndFragment--> </div><div><br></div><div data-marker="__SIG_PRE__"><br style="color:rgb( 0 , 0 , 0 );font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><br style="color:rgb( 0 , 0 , 0 );font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><span style="color:rgb( 0 , 0 , 0 );font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;display:inline !important;float:none">-----</span><br style="color:rgb( 0 , 0 , 0 );font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><span style="color:rgb( 0 , 0 , 0 );font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;display:inline !important;float:none">Mike Hammett</span><br style="color:rgb( 0 , 0 , 0 );font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><a href="http://www.ics-il.com/" style="font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px" target="_blank" rel="nofollow noopener noreferrer">Intelligent Computing Solutions</a><br style="color:rgb( 0 , 0 , 0 );font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><a href="https://www.facebook.com/ICSIL" style="font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px" target="_blank" rel="nofollow noopener noreferrer"><img src="http://www.ics-il.com/images/fbicon.png" style="border:0pt none"></a><a href="https://plus.google.com/+IntelligentComputingSolutionsDeKalb" 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roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px" target="_blank" rel="nofollow noopener noreferrer"><img src="http://www.ics-il.com/images/twittericon.png" style="border:0pt none"></a><br style="color:rgb( 0 , 0 , 0 );font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><a href="http://www.midwest-ix.com/" style="font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px" target="_blank" rel="nofollow noopener noreferrer">Midwest Internet Exchange</a><br style="color:rgb( 0 , 0 , 0 );font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><a href="https://www.facebook.com/mdwestix" style="font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px" target="_blank" rel="nofollow noopener noreferrer"><img src="http://www.ics-il.com/images/fbicon.png" style="border:0pt none"></a><a href="https://www.linkedin.com/company/midwest-internet-exchange" style="font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px" target="_blank" rel="nofollow noopener noreferrer"><img src="http://www.ics-il.com/images/linkedinicon.png" 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Brothers WISP</a><br style="color:rgb( 0 , 0 , 0 );font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><a href="https://www.facebook.com/thebrotherswisp" style="font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px" target="_blank" rel="nofollow noopener noreferrer"><img src="http://www.ics-il.com/images/fbicon.png" style="border:0pt none"></a><a href="https://www.youtube.com/channel/UCXSdfxQv7SpoRQYNyLwntZg" style="font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px" target="_blank" rel="nofollow noopener noreferrer"><img src="http://www.ics-il.com/images/youtubeicon.png" style="border:0pt none"></a></div><div><br></div><hr id="zwchr" data-marker="__DIVIDER__"><div data-marker="__HEADERS__"><b>From: </b>"outages" <outages@outages.org><br><b>To: </b>"outages" <outages@outages.org><br><b>Sent: </b>Wednesday, January 19, 2022 4:05:58 PM<br><b>Subject: </b>[outages] TNS SS7 Outage<br></div><div><br></div><div data-marker="__QUOTED_TEXT__"><div style="font-family:'arial' , 'helvetica' , sans-serif;font-size:12pt;color:#000000"><div><div>TNS has an SS7 outage. Both of our A-links go to different facilities (Chicago and Ashburn) over different VPNs (which are up).</div><br><div>TNS has acknowledged that it's a carrier issue that they're investigating.</div></div><br><div><br style="color:rgb( 0 , 0 , 0 );font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><br style="color:rgb( 0 , 0 , 0 );font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><span style="color:rgb( 0 , 0 , 0 );font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;display:inline !important;float:none">-----</span><br style="color:rgb( 0 , 0 , 0 );font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><span style="color:rgb( 0 , 0 , 0 );font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;display:inline !important;float:none">Mike Hammett</span><br style="color:rgb( 0 , 0 , 0 );font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><a href="http://www.ics-il.com/" style="font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px" rel="nofollow noopener noreferrer nofollow noopener noreferrer" target="_blank">Intelligent Computing Solutions</a><br style="color:rgb( 0 , 0 , 0 );font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><a href="https://www.facebook.com/ICSIL" style="font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px" rel="nofollow noopener noreferrer nofollow noopener noreferrer" target="_blank"><img style="border:0pt none" src="http://www.ics-il.com/images/fbicon.png"></a><a href="https://plus.google.com/+IntelligentComputingSolutionsDeKalb" style="font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px" rel="nofollow noopener noreferrer nofollow noopener noreferrer" target="_blank"><img style="border:0pt none" src="http://www.ics-il.com/images/googleicon.png"></a><a href="https://www.linkedin.com/company/intelligent-computing-solutions" style="font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px" rel="nofollow noopener noreferrer nofollow noopener noreferrer" target="_blank"><img style="border:0pt none" src="http://www.ics-il.com/images/linkedinicon.png"></a><a href="https://twitter.com/ICSIL" style="font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px" rel="nofollow noopener noreferrer nofollow noopener noreferrer" target="_blank"><img style="border:0pt none" src="http://www.ics-il.com/images/twittericon.png"></a><br style="color:rgb( 0 , 0 , 0 );font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><a href="http://www.midwest-ix.com/" style="font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px" rel="nofollow noopener noreferrer nofollow noopener noreferrer" target="_blank">Midwest Internet Exchange</a><br 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