Specifications

GT300 @Track Air Interface Protocol
- 62 -
4.12. Buffer Report Function
If the GSM network is not available, the terminal will record the messages required to be sent to
the backend server. These messages will be sent to the backend server when the GSM network is
available again. The terminal can record up to 720 messages.
— Only +RESP messages are buffered. +RESP:GTHBD and +RESP:GTALL are not buffered
— The string “#BUF#” will be added to the beginning of all of the buffered messages.
— Buffered messages can only be sent by TCP or UDP protocol. They cannot be sent by SMS.
— The buffered messages will be sent after the other normal messages.
Example:
The following is an example of the buffered message:
#BUF#+RESP:GTTRI,135790246811220,1,0,0,1,6.7,148,37.0,50,121.354647,31.221713,200901
19020919,0460,0000,18d8,3072,000B,0102070202