A SenderID is a representation or an identifier with the customers who receive your messages know that the message is coming from your company.
Sender id should be of 6 alphabetic characters for any OTP or Transactional message. This is only for Alerts Panel (Transactional and OTP SMSes).
You may choose the characters that make up the Sender ID so that your customers may be able to relate this with your company's name.
The sender ID for Promotional accounts is 6 numeric characters, with the first 2 digits representing the category of the message.
When creating a promotional Sender ID from the DLT platform, these will be visible in the "Type" drop-down menu.