---
title: What is the difference between Promotional, Transactional, and Service SMS Templates?
description: "- **Promotional SMS**: Marketing offers, sales, discounts, etc. Sent only between **9 AM to 9 PM** to non-DND numbers. - **Transactional SMS**: Critical messages like OTPs, banking alerts, and password resets. Can be sent 24x7, including to DND numbers. -…"
url: "https://www.smsgatewaycenter.com/blog/kb/what-is-the-difference-between-promotional-transactional-and-service-sms-templates/"
updated: "2025-08-25"
category: Bulk SMS / Message Templates
---

# What is the difference between Promotional, Transactional, and Service SMS Templates?

- **Promotional SMS**: Marketing offers, sales, discounts, etc. Sent only between **9 AM to 9 PM** to non-DND numbers.
- **Transactional SMS**: Critical messages like OTPs, banking alerts, and password resets. Can be sent 24x7, including to DND numbers.
- **Service Explicit SMS**: Messages requiring customer consent (e.g., updates about new launches).
- **Service Implicit SMS**: Informational messages like order updates, appointment reminders, etc.

Read more on **[SMS Types](https://www.smsgatewaycenter.com/sms-types/)**

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