What is the difference between Push SMS and Pull SMS?


Push SMS

An SMS which is sent (pushed) into the inbox of the customer without her/him opting for it is a Push SMS. It has content like offers, alerts or announcements for any new launch of the product. These SMS are sent via Promotional route. Promotional SMS are Push SMS and cannot be sent on numbers with DND (do not disturb) activated. These SMS could only be sent between 9 AM and 9 PM.

Push SMS is the SMS which you tend to push into the inbox of your customer. In a case where you send Push SMS on DND numbers, they can complain about this to TRAI (Telecom Regulatory Authority of India), and you are subjected to consequences if found guilty.

Let’s see this by an example-

The launch SMS which business sends to the people (including those who have not subscribed the services) via promotional route is a Push SMS.

Pull SMS

An SMS which is sent upon users’ subscription (pulled by the customer) is a Pull SMS. It generally has updates, information and alerts which the user asks for. A Pull SMS is sent via Transactional route and can be sent on DND numbers, round the clock 24*7.

These are the SMS which the user tends to pull into the inbox of your customer. In a case of DND numbers where you send Pull SMS on DND numbers, the SMS is sent to them and unlike Push SMS the users do not complaint to TRAI (Telecom Regulatory Authority of India) as they subscribe the service themselves.

Let’s see this by an example-

The after-sales delivery updates, service reminders which the business send to their customers who have bought their product and hence subscribed for the services via transactional route is a pull SMS.

Push vs Pull SMS

  • The direction of SMS:
    • Push SMS: SMS is directed from the business to customer’s inbox by the business
    • Pull SMS: SMS is directed into the customer’s inbox by customers
  • SMS Route:
    • Push SMS: SMS are sent via Promotional route
    • Pull SMS: SMS are sent via Transactional route
  • For DND Numbers:
    • Push SMS: Cannot send SMS to DND numbers, if sent then might face consequences upon customer’s complaint to TRAI
    • Pull SMS: Can send SMS to DND numbers

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