We are using AWS SNS service for sending sms for different countries from last year suddenly for US numbers sender id is changing - amazon-sns

We are using AWS SNS service for sending sms for different countries from last year suddenly for US numbers sender id is changing
on US numbers each sms receives from every different number.
Do we have any solution for that ?

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When AB testing a push notification the notifications is going to be send every day?

I am testing a push notification that is related to an event that only has 24 hs of duration. So, I wanted to send a notification with a variant to see the impact and diference. But i dont want to that same notification be sended more than once because if it is sended 24 hs later the event is off and we will be sending a wrong notification.
The message will be send everyday in the usual configuration or only the first day (That it is when it is schedule).
I have this doubt specially because when i see the result console y can see this:
We have a positive number for notification opened on days before the starting date. I DONT want users to see notif after 24 hs. I cant find any documentation regarding this.

How to count open push-notifications within' Google BigQuery

I need to develop an admin panel which can send and monitor push notifications. The data I gonna monitor for each message includes:
amount of unique devices to send notification (with or no topic)
amount of unique devices with recieved notification (with or no topic)
amount of unique devices with opened notification (with no topic)
To collect this data I've decided to use Google BigQuery API. In FCM documentation I've founded query examples for first two items but I don't know how to count opened messages
So I need a help to solve this quizz. You can help me with one one of things:
Query example to get amount of opend messages from BigQuery
Demonstration of another wway to collect data if BigQuery is not appropriate for my purposes
Thank you in advance

Scalable FCM notification model whilst app enters background

We have vehicle positions for over 10,000 vehicles currently coming into a Firebase Realtime database. Each vehicle is updated every 5 seconds on average.
I have been tasked with setting up a notification system with an app that allows these vehicles to be tracked.
If a user loads the app and begins tracking a vehicle by tapping on it, and then the app goes into the background, they should receive notifications every time the vehicle moves.
My Proposal
When a user begins tracking a vehicle, have them subscribe to a FCM topic with the topic name being the vehicle registration.
When our vehicle parsing script processes an update for a vehicle, if it has moved from its last location, send a notification to the topic.
When the user stops tracking the vehicle, unsubscribe from the topic.
Is this the best way of managing notifications for a Firebase setup?
Topics are optimized for having a reasonable small number of topics with a reasonably large number of subscribers. While your use-case seems a bit different, having a topic per vehicle should technically work fine.

Telegram bot: forward old messages

Is there any way to have a Telegram bot that forwards very old messages? Let's say that a bot has had access to a chat for 2 years, can it forward the first message it received in that chat?
From my understanding, the forwardMessage() function requires a message_id parameter which corresponds to the ID received by getUpdates(), which however only holds messages up to 24 hours prior to the call.
But maybe there is some other way?

How to verify a number in twilio account?

I Am new to twilio. I am not able to verify a number however I have funds in my account and using the plug-in ACT Click2Call. Can any one help me to verify the number over there?So that I can add the outgoing numbers to the plug-in settings?

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