---
title: Why is it important to link headers to templates in DLT SMS?
description: "Linking headers (sender IDs) to templates in **DLT SMS** ensures TRAI compliance by matching your sender identity (e.g., SMSGAT) with approved content. On DLT portals, after registering a header and template, associate them to prevent message rejection. In SMSGatewayCenter’s **SMS…"
url: "https://www.smsgatewaycenter.com/blog/kb/why-is-it-important-to-link-headers-to-templates-in-dlt-sms/"
updated: "2025-02-26"
category: Bulk SMS / DLT
---

# Why is it important to link headers to templates in DLT SMS?

Linking headers (sender IDs) to templates in **DLT SMS** ensures TRAI compliance by matching your sender identity (e.g., SMSGAT) with approved content. On DLT portals, after registering a header and template, associate them to prevent message rejection. In SMSGatewayCenter’s **SMS gateway** at https://unify.smsgateway.center, add both under "DLT Templates" with your PE ID. This step guarantees your SMS align with operator rules, avoiding blocks—learn more at [smsgatewaycenter.com/dlt-sms/](https://www.smsgatewaycenter.com/dlt-sms/).

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