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Code 39 (also known as Alpha39, Code 3 of 9, Code 3/9, Type 39, USS Code 39, or USD-3) is a variable length, discrete barcode symbology defined in ISO/IEC 16388:2007. The Code 39 specification defines 43 characters, consisting of uppercase letters (A through Z), numeric digits (0 through 9) and a number of special characters ...
Messages sent to/from these short codes are known as Premium Rate SMS. Codes are seven digits in length for MO and five (not billed) or eight (billed) for MT direction, starting with nine, while two or three (depending on billing type=MO/MT) trailing digits express the price, e.g. SMS sent to 9090930 is billed for Kč30. Leading three digits ...
Codes contain meaning; words and phrases are assigned to numbers or symbols, creating a shorter message. An example of this is the commercial telegraph code which was used to shorten long telegraph messages which resulted from entering into commercial contracts using exchanges of telegrams.
For example, you might get a text message or email with a six-digit code that you must enter when you log into your bank account. This extra level of protection keeps scammers and hackers out.
In radiotelegraph operation, a Q code is often shorter, [39] and provides codes standardized by meaning in all languages – essential for international shortwave radio communications. Z codes are used for military radio communications NATO countries, and like Q codes are standardized across languages.
Enter an ISO 639-3 language code to find the corresponding article. ... Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; ...
Spreading rumors and gossip by text message, using text messages to bully individuals, or forwarding texts that contain defamatory content is an issue of great concern for parents and schools. Text "bullying" of this sort can cause distress and damage reputations.
An SMS message written on a Motorola Razr V3. Short Message Service, commonly abbreviated as SMS, is a text messaging service component of most telephone, Internet and mobile device systems. It uses standardized communication protocols that let mobile phones exchange short text messages, typically transmitted over cellular networks.