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Texting is also used to communicate very brief messages, such as informing someone that you will be late or reminding a friend or colleague about a meeting.
As with e-mail, informality and brevity have become an accepted part of text messaging.
The GSM in the US had to use a frequency allocated for private communication services (PCS) – what the ITU frequency régime had blocked for DECT – Digital Enhanced Cordless Telecommunications – 1000-feet range picocell, but survived.
American Personal Communications (APC), the first GSM carrier in America, provided the first text-messaging service in the United States.
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.
The Sprint venture was the largest single buyer at a government-run spectrum auction that raised .7 billion in 2005 for PCS licenses. SMS is available on a wide range of networks, including 3G networks.
APC operated under the brand name of Sprint Spectrum and launched its service on November 15, 1995 in Washington, D. However, not all text-messaging systems use SMS; some notable alternate implementations of the concept include J-Phone's Sky Mail and NTT Docomo's Short Mail, both in Japan.
Governmental and non-governmental organizations use text messaging for communication between colleagues.Advertisers and service providers use direct text marketing to send messages to mobile users about promotions, payment due dates, and other notifications instead of using postal mail, email, or voicemail.The service is referred to by different colloquialisms depending on the region.Under SS7, it is a "state" with a 160 character data, coded in the ITU-T "T.56" text format, that has a "sequence lead in" to determine different language codes, and may have special character codes that permits, for example, sending simple graphs as text.This was part of ISDN (Integrated Services Digital Network) and since GSM is based on this, made its way to the mobile phone.
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The term originally referred to messages sent using the Short Message Service (SMS).