We’ve seen this on Ribbon SBCs running their 8.2.x code. If a forwarded call comes in (where the number on the RURI is not the same as the To) when the PSX does an LNP dip it will rewrite the RURI to the LRN. Which of course causes the call to fail.
I have no idea if this is the same issue but we’ve been working through that issue on one of our SBCs and they said it would be resolved in the latest V08.02.06R000 release. According to Ribbon TAC this issue is also present in their V9.X train as well and will have a fix released on july 23rd. Joseph From: VoiceOps [mailto:[email protected]] On Behalf Of Matthew Sutton Sent: Thursday, July 01, 2021 10:08 AM To: [email protected] Subject: [VoiceOps] TMobile Sending Calls to LRN not Called Number Anyone else seeing calls from TMobile coming in with the LRN as the called number? The ISUP doesn't show the actual called number so we can't route the calls. -Matthew
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