Transactional SMS : Messages which are sent to mobiles to pass on necessary information for using product or service. Messages can be sent to DND mobile numbers any time.
1) A SMS sent by a bank to an account holder mobile regarding his/her available account balance.
2) A SMS sent to the client by a company regarding his Invoice.
Promotional SMS : Messages which are sent for promoting product or service. This type sms includes any sales & marketing information. The promotional messages send to only the mobile number which are not DND. Service available from 9 AM – 7 PM. in a day.
1) Dear Mr. XXXXXXXX, Limited time offer. Now Get Flat 5% Off on Our all products.
2) Dear xxxxxxxx, We wish you very Happy Birth Day. Thanks, InfoSky Solutions.
You can also read – Meaning of Bulk SMS sender like TD, MD, AD, LM, DM