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GSM was allowed in the United States and the radio frequencies were blocked and awarded to US "Carriers" to use US technology.
Hence there is no "development" in the US in mobile messaging service.
Sprint Telecommunications Venture, a partnership of Sprint Corp. made the initial phone-call to launch the network, calling Mayor Kurt Schmoke in Baltimore.
and three large cable-TV companies, owned 49 percent of APC. One factor in the slow take-up of SMS was that operators were slow to set up charging systems, especially for prepaid subscribers, and to eliminate billing fraud, which was possible by changing SMSC settings on individual handsets to use the SMSCs of other operators.
The electrical telegraph systems, developed in the early 19th century, used simple electrical signals to sent text messages.
Almost every time, the messages contained fewer than 160 characters, thus giving the basis for the limit one could type via text messaging.
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.
Finnish Radiolinja became the first network to offer a commercial person-to-person SMS text messaging service in 1994.
When Radiolinja's domestic competitor, Telecom Finland (now part of Telia Sonera) also launched SMS text messaging in 1995 and the two networks offered cross-network SMS functionality, Finland became the first nation where SMS text messaging was offered on a competitive as well as on a commercial basis.
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.