---
title: SMS Features
description: "What is blocked numbers? How to block/unblock any number? What is URL encoding and how do URL encoding? Step-by-step guide to set up and start your Cloud Communication with MSG91 How can I get delivery logs for a particular number…"
url: "https://prowtext.com/docs/sms-features/"
updated: "2026-10-08"
category: SMS Features
---

# SMS Features

What is blocked numbers? How to block/unblock any number?

What is URL encoding and how do URL encoding?

Step-by-step guide to set up and start your Cloud Communication with MSG91

How can I get delivery logs for a particular number & the failure reason?

Alternate Solution for CSV file Upload

Error no valid number found while adding blacklist number?