Messages could be sent and received on ISDN phones, and these can send SMS to any GSM phone.
E-mail messaging from phones, as popularized by NTT Docomo's i-mode and the RIM Black Berry, also typically use standard mail protocols such as SMTP over TCP/IP.text messaging was the most widely used mobile data service, with 74% of all mobile phone users worldwide, or 2.4 billion out of 3.3 billion phone subscribers, at the end of 2007 being active users of the Short Message Service.Sitting at a typewriter at home, Hillebrand typed out random sentences and counted every letter, number, punctuation, and space.Almost every time, the messages contained fewer than 160 characters, thus giving the basis for the limit one could type via text messaging.Text messaging, or texting, is the act of composing and sending electronic messages, typically consisting of alphabetic and numeric characters, between two or more users of mobile devices, desktops/laptops, or other type of compatible computer.
Text messages may be sent over a cellular network, or may also be sent via an Internet connection.
In countries such as Finland, Sweden and Norway, over 85% of the population use SMS.
The European average is about 80%, and North America is rapidly catching up with over 60% active users of SMS by end of 2008 Text messaging is most often used between private mobile phone users, as a substitute for voice calls in situations where voice communication is impossible or undesirable (e.g., during a school class or a work meeting).
The term originally referred to messages sent using the Short Message Service (SMS).
It has grown beyond alphanumeric text to include multimedia messages (known as MMS) containing digital images, videos, and sound content, as well as ideograms known as emoji (happy faces, sad faces, and other icons).
It may simply be referred to as a "text" in North America, the United Kingdom, Australia, New Zealand and the Philippines, an "SMS" in most of mainland Europe, or an "MMS" or "SMS" in the Middle East, Africa, and Asia.