Quectel BG95 Series - 4 Summary of Result Codes

LPWA Module Series
BG95&BG77&BG600L Series TCP/IP Application Note
BG95&BG77&BG600L_Series_TCP/IP_Application_Note 53 / 56
4 Summary of Result Codes
If <result> is returned after executing TCP/IP AT commands, the details of error can be queried with
AT+QIGETERROR. Please note that AT+QIGETERROR just returns error code of the last TCP/IP AT
command.
Table 3: Summary of Result Codes
<result>
<result_code_description>
0
Operation successful
550
Unknown error
551
Operation blocked
552
Invalid parameters
553
Memory not enough
554
Create socket failed
555
Operation not supported
556
Socket bind failed
557
Socket listen failed
558
Socket write failed
559
Socket read failed
560
Socket accept failed
561
Open PDP context failed
562
Close PDP context failed
563
Socket identity has been used
564
DNS busy