---
title: How do International Long Distance Operator (ILDO) routes work for SMS to India?
description: "ILDO routes involve international carriers delivering [SMS to India](https://www.smsgatewaycenter.com) from abroad, often used for global businesses targeting Indian customers. These routes comply with TRAI’s DLT framework, requiring sender registration (e.g., via [smsgatewaycenter.com/dlt-sms/](https://www.smsgatewaycenter.com/dlt-sms/)). SMSGatewayCenter’s **[SMS gateway](https://www.smsgatewaycenter.com)** supports ILDO routes, ensuring reliable,…"
url: "https://www.smsgatewaycenter.com/blog/kb/how-do-international-long-distance-operator-ildo-routes-work-for-sms-to-india/"
updated: "2025-02-25"
category: Bulk SMS
---

# How do International Long Distance Operator (ILDO) routes work for SMS to India?

ILDO routes involve international carriers delivering [SMS to India](https://www.smsgatewaycenter.com) from abroad, often used for global businesses targeting Indian customers. These routes comply with TRAI’s DLT framework, requiring sender registration (e.g., via [smsgatewaycenter.com/dlt-sms/](https://www.smsgatewaycenter.com/dlt-sms/)). SMSGatewayCenter’s **[SMS gateway](https://www.smsgatewaycenter.com)** supports ILDO routes, ensuring reliable, compliant delivery with minimal latency.

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