---
title: Sender ID
description: "Sender ID configuration What is a Sender ID? How to Add, Update, or Delete a sender ID (header) on MSG91? Country-wise SMS and Sender Id Rules What are the supported types of Sender IDs and the ETA for different countries?…"
url: "https://prowtext.com/docs/sender-id/"
updated: "2026-10-08"
category: Sender ID
---

# Sender ID

Sender ID configuration

What is a Sender ID?

How to Add, Update, or Delete a sender ID (header) on MSG91?

Country-wise SMS and Sender Id Rules

What are the supported types of Sender IDs and the ETA for different countries?

What is the meaning of Prefixes like AD, JX, VM, CP, etc. in Sender Id?