What is a Sender ID?
Sender ID is a set of characters that represent the identity of a sender. For example, when you receive a regular SMS from a friend, their name (as stored in your contacts) is displayed as a Sender. Similarly, when a business sends an SMS to its customers, a numeric or alphabetic set of characters represents the company or brand name.
Sender ID for Promotional SMS is numeric and is decided from the operator. For example 777777
Sender ID for Transactional SMS is 6 alphabetic characters in India. For