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Telephone number verification. Telephone number verification (or validation) services are online services used to establish whether a given telephone number is in service. They may include a form of Turing test to further determine if a human answers or answering equipment such as a modem, fax, voice mMail or answering machine.
In South Africa, premium rate SMS short codes are four or five digits long, starting with either '3' or '4'. Premium rate telephone services are regulated by The Independent Communications Authority of South Africa (ICASA) and ranges from 0862 through 0869(increasing rates relating to the next digit after 086).
South Africa switched to a closed numbering system effective 16 January 2007. At that time, it became mandatory to dial the full 10-digit telephone number, including the zero in the three-digit area code, for local calls (e.g., 011 must be dialed from within Johannesburg).
The software was originally developed in 2005 by Ken Banks for conservationists to keep in touch with communities in Kruger National Park in South Africa. [1] The 2.0 release is a deep redesign and is the first version to install a browser-based interface to the Java FrontlineSMS backend.
An unpublished number is also excluded from directory assistance services, such as 411. Landline telephone companies often charge a monthly fee for this service. As cellular phones become more popular, there have been plans to release cell phone numbers into public 411 and reverse number directories via a separate Wireless telephone directory ...
Website. ICASA. The Independent Communications Authority of South Africa (ICASA) is an independent regulatory body of the South African government, established in 2000 by the ICASA Act to regulate both the telecommunications and broadcasting sectors in the public interest. Traditionally, telecommunications and broadcasting services operated ...
The first commercially sold SMS service was offered to consumers, as a person-to-person text messaging service by Radiolinja (now part of Elisa) in Finland in 1993. Most early GSM mobile phone handsets did not support the ability to send SMS text messages, and Nokia was the only handset manufacturer whose total GSM phone line in 1993 supported ...
Toll-free telephone number. A toll-free telephone number or freephone number is a telephone number that is billed for all arriving calls. For the calling party, a call to a toll-free number from a landline is free of charge. A toll-free number is identified by a dialing prefix similar to an area code.