CIF
Common Intermediate Format. CIF is a video image format using 352 horizontal pixels and 288 vertical lines. The format is adopted in multimedia communication standards.
CIRCUIT SWITCHED SERVICE
This is a data transfer communication service which (as in the case of standard telephone service) applies circuitswitching for each call to establish a circuit with the other party and then disconnect that circuit upon call completion. However,
CODEC
CODEC is an amalgam of the terms “Coder” and “Decoder” It generally signifies the encoding device/module which carries out highly efficient conversion processing from the basic digital signal to a compressed signal during digitalisation of voice and picture signals. Encoding specifications for the voice CODEC and image CODEC are stipulated by the
CUTTING EDGE
Enhanced Data Rates for GMS Evolution, also referred to as GSM384 or UWC-
136.EDGE is an evolution of GSM and
DIGITAL SIGNATURE
An electronic signature. A technology used to guarantee the reliability of information during electronic transactions. Digital signaturing is enabled through the application of open key encryption technology, and comprises electronic data verifying the identity of the user. A digital signature is created by coding data using an encryption key. Since only the user him/herself is in possession of the corresponding encryption key, the digital signature is essentially unforgettable. The digital signature is subsequently attached to data transmitted to another party to guarantee that the individual sending the message really is who he or she claims to be.
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