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== '''<big>Introduction</big>''' ==
== '''<big>Introduction</big>''' ==
A codec is a device or computer program for encoding or decoding a digital data stream or signal. Codec is a portmanteau of coder-decoder.
A codec is a device or computer program for encoding or decoding a digital data stream or signal. Codec is a portmanteau of coder-decoder.<br/>
A codec encodes a data stream or a signal for transmission and storage, possibly in encrypted form, and the decoder function reverses the encoding for playback or editing.
A codec encodes a data stream or a signal for transmission and storage, possibly in encrypted form, and the decoder function reverses the encoding for playback or editing.
*'''About Codec14'''
*'''About Codec14'''
Codec14 is original Teltonika protocol for device-server communication over GPRS messages and it is based on Codec12 protocol.
Codec14 is original Teltonika protocol for device-server communication over GPRS messages and it is based on Codec12 protocol.<br>
Main difference of Codec14 is that, device will answer to GPRS command if device physical IMEI number matches specified IMEI number in GPRS command.
Main difference of Codec14 is that, device will answer to GPRS command if device physical IMEI number matches specified IMEI number in GPRS command.