Difference between Transnational and Promotional SMS route?

Transnational SMS V/S Promotional SMS

Following are the listed differences between Transnational and Promotional routes:

Transnational SMS Promotional SMS
1.  Transaction SMS can be used for sending any type of information & alerts
Ex. OTP, Bank Transactions etc.
1.  Promotional SMS can be used for sending       marketing purposes.
Ex. Sale, offers etc.
2.  Transactional SMS
     can be sent any time (24X7)
2.  Promotional SMS are sent
      between 9 am to 9 pm only
3.  SMS can be sent on registered DND numbers 3.  SMS cannot be sent on DND numbers

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