Mashallah! I have heard dark tales of less seamless migrations whispered around the camp fire...
On Nov 14, 2025, at 8:50 AM, Mike Hammett via VoiceOps <voiceops@voiceops.org> wrote:
Everything so far seems to be working, which it should, and that makes me glad.
----- Mike Hammett Intelligent Computing Solutions http://www.ics-il.com
Midwest Internet Exchange http://www.midwest-ix.com
----- Original Message ----- From: "Mike Hammett via VoiceOps" <voiceops@voiceops.org> To: "voiceops" <voiceops@voiceops.org> Sent: Thursday, November 13, 2025 12:13:27 PM Subject: [VoiceOps] Migration from TDM and Tandems to PSTN-Connect
Tomorrow is the LERG effective date for our migration from TDM to using Sinch's PSTN-Connect. We have verified calls flow via testing with our consultant (Award) and Sinch. Given that this is pretty monumental and there doesn't appear to be as easy a "backing out" as there is with the Internet, what are the things I should triple-check? What are the things I should be watching? What are the tests I should be doing to ensure everything is 100%?
Also with a LERG effective date, is that at midnight local time, or some other time when calls start flowing differently? When do I switch my Metaswitch to passing calls via Sinch instead of the tandem?
I have asked Sinch and my consultants similar questions, just as a kind of sanity check.
----- Mike Hammett Intelligent Computing Solutions http://www.ics-il.com
Midwest Internet Exchange http://www.midwest-ix.com
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-- Alex Balashov Principal Consultant Evariste Systems LLC Web: https://evaristesys.com, https://www.csrpswitch.com Tel: +1-706-510-6800