What is SMS and how does it work?

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Text messaging has become an undeniable cornerstone of modern communication. But with constant innovations in technology, navigating the world of text messaging can be challenging.

When most people think of text messaging, they likely think of Short Message Service (SMS), which has been a staple in the text messaging world for decades. However, a new messaging format has recently emerged called Rich Communication Services (RCS).

Today, SMS and hong kong telegram RCS are the two main players that dominate the text messaging market. While both make it easy to send text messages, they offer different features and capabilities. Understanding these differences is critical to choosing the best option for your business needs.

This blog post will be your guide to the world of RCS and SMS. We’ll dive into their key features, limitations, and underlying technologies. By the end, you’ll be ready to make an informed decision between the two and choose the text messaging solution that best suits your communication style and requirements.


Short Message Service (SMS) is a veteran of the text messaging world. It allows you to send short text messages of up to 160 characters at a time between mobile devices.

Throughout its long history, SMS has been an effective, highly reliable and versatile method of communication, and this reliability and versatility have made it the preferred choice for many businesses for their sales, marketing and customer service activities .

Here's a description of how SMS works:

1. Network infrastructure:

SMS works in a cellular network in the same way as voice calls.
It does not use IP, Wi-Fi or LTE/5G cellular access to transfer data.
2. Use of data:

Unlike IP-based messaging platforms such as RCS, WhatsApp or Facebook Messenger, SMS does not use mobile carrier tariffs.
SMS messages are sent directly over the cellular network without using Internet protocols.
3. Multimedia Messaging Service (MMS):

MMS is an evolution of SMS that allows the transmission of multimedia content such as images, audio and video.
It uses the same protocols and transport methods as SMS, but supports larger files.
MMS has an advantage in scenarios where cellular voice access is available but IP-based services are not.