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commented
1 year ago The United States of America has implemented new regulations for telephone carriers beginning 2023-08-01 to combat spam SMS and phone calls. These regulations require telephony carriers to verify the owner's identify before they can acquire various types of phone numbers used to send messages to distribution lists, including but not limited to "toll-free numbers."
As such, Amazon no longer sends SMS messages from a unified SNS "origination" SNS phone number, each customer must obtain a unique number. These numbers can also no longer be obtained instantly. Amazon's telephony partners must manually verify our identity before issuing us a phone number to be used to send SMS notifications.
I have applied for an "origination" phone number for every ENF AWS account, but the verification process is expected to take as long as 2023-08-14 to complete. That means we may not be able to send SMS messages until that date.
Moreover, the new regulations require that SMS recipients explicitly verify their phone number by clicking a link. We will also be limited to ten (10) destination numbers. If we wish to send SMS notifications to more than ten phone numbers, we will need to apply to Amazon to have this restriction lifted.
This system is built out, and I was able to test it using email notifications instead. I will keep this ticket open until we are granted "origination" phone numbers.
As part of an epic for a unified metrics and alerting system around EVM infrastructure, this ticket is to send alerts relating to the EVM AWS infrastructure health checks to arbitrary SMS phone numbers.
https://docs.aws.amazon.com/sns/latest/dg/sns-mobile-phone-number-as-subscriber.html
See Also
engineering issue 68 - EVM Monitoring and Alerting - Phase 1