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GSM Module
2.12.4
+ZIPCLOSEU: close UDP link
Description This command is used to close the designated UDP link.
Format AT+ZIPCLOSEU=<N>
Example AT+ZIPCLOSEU=1
+ZIPCLOSE:OK
OK
Successfully close the No. 1 UDP link
Prompt that the No.1 UDP link closed.
Parameter
N: the channel number of UDP links; representing the channels to be
closed, ranging from 0 to 4.
2.12.5
+ZIPRECVU: receive UDP data
Description
This command is used to receive UDP data from UDP server.
ZIPRECVU:N,LEN,<DATA>
Example ……
+ZIPRECVU:1,5,abcde
……
……
Received 5 data abcde from the No.1
UDP data link
Parameter
N: the channel number of UDP links, ranging from 0 to 4;
LEN: received data length;
DATA: received data;
(The size of each UDP package shall not exceed 1500 bytes, otherwise,
error occurs)
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