SMS is a text messaging service component of most telephone, Internet, and mobile device systems. It uses standardized communication protocols that let mobile devices exchange short text messages. An intermediary service can facilitate a text-to-voice conversion to be sent to landlines.

Is SMS a text message?

SMS stands for Short Message Service and is commonly known as texting. It's a way to send text-only messages of up to 160 characters between phones.

What is the difference between a text message and a SMS message?

What is the difference between a text message and an SMS message? There isn't one. ... However, while you might refer to a variety of different message types as simply a “text” in your daily life, the difference is that an SMS message contains only text (no pictures or videos) and is limited to 160 characters.