At+Cchrecv Receive Data From The Channel - SimCom SIM7500 Series At Command Manual

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15.9.6 AT+CCHRECV Receive data from the channel

Description
This command is used to receive data from the channel.
SIM PIN References
YES Vendor
Syntax
Read Command
AT+CCHRECV?
Write Command
AT+CCHRECV=<session_i
d>[,<max_recv_len>]
Defined values
<session_id>
The session index to operate. It's from 0 to 1.
<max_recv_len>
Maximum bytes of data to receive in the current AT+CCHRECV calling, the value can't be greater
than the length of RX data cached for session <session_id>. The range of this value is 0 to the data
length in the receive buffer.
0 means the maximum bytes to receive is 2048. (But, when 2048 is greater than the length of RX
data cached for session <session_id>, 0 means the length of RX data cached for session
SIM7500_SIM7600 Series_AT Command Manual_V1.07
Responses
+CCHRECV: LEN,<cache_len_0>,<cache_len_1>
OK
Responses
OK
[+CCHRECV: DATA, <session_id>,<len>
...
+CCHRECV: DATA, <session_id>,<len>
...]
+CCHRECV: <session_id>,<result>
+CCHRECV: <session_id>,<result>
ERROR
ERROR
+CCHRECV: <session_id>,<result>
ERROR
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358 2017-12-25