Changes

Codec8 – a main FM device protocol that is used for sending data to server. <br>  

Codec8 – a main FM device protocol that is used for sending data to server. <br>  

*'''<big>Codec8 protocol sending over TCP</big>'''

*'''<big>Codec 8 protocol sending over TCP</big>'''

TCP is a connection-oriented protocol that is using for communication between devices. How this type protocol works you will read later. <br>  

TCP is a connection-oriented protocol that is used for communication between devices. The workings of this type of protocol is described below in the '''communication with server''' section. <br>  

*'''AVL Data Packet'''

*'''AVL Data Packet'''

Communication with server is the same as with Codec8 protocol, except in Codec8 Extended protocol Codec ID is 0x8E. <br>  

Communication with server is the same as with Codec8 protocol, except in Codec8 Extended protocol Codec ID is 0x8E. <br>  

*Example:  

*Example:

Module connects to server and sends IMEI: <br>

Module connects to server and sends IMEI: <br>

{| class="nd-othertables_2" style="width:100%;"

{| class="nd-othertables_2" style="width:100%;"

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! colspan="4" style="border-bottom: 2px solid #0054A6; vertical-align: middle; text-align: center;" |SMS Data Structure

! colspan="4" style="border-bottom: 2px solid #0054A6; vertical-align: middle; text-align: center;" |SMS Data Structure