@Anoop Jayaraj Thanks for reaching out to Microsoft Q&A, apologize for any inconvenience caused on this. Based on the shared information, I understand that you want to send SMS using alpha numeric sender ID. Correct me if my understand is correct follow the below steps.
- You need to enable alphanumeric sender ID on your azure communication service by following these documentation steps here.
- When you enable Alphanumeric Sender ID on your ACS it means that you are allowed to send messages using that.
- By default, Azure doesn't provide any Alphanumeric sender ID you need to create it and make sure that ID should met these formatting guidelines. Also, if you have created dynamic alpha numeric sender ID it won't be displayed in the portal.
- Once you have enabled refer to this document to send a 1:1 SMS message using alphanumeric sender id.
- Sending the SMS using alpha numeric send ID has a set of limitations you can only send 600 messages per minute if you want to increase the limit then you need to raise the support request as mentioned here.
If my understanding is wrong, could you please help us with the documentation that you're following and also about the information what exactly the help you are looking here.