Specifications

Chapter 17 – TCP App AT Commands
Multi-Tech Systems, Inc. CDMA C1 AT Commands Reference Guide 105
Response
Values: <protocol>
1 UDP
2 TCP client
<index>
1-8 Socket or session identifier
<error>
+WIPERROR error codes and their descriptions are shown below.
<error>
Meaning
100
Invalid socket descriptor
103
Address family not supported
107
No more sockets available for opening
108
Operation not supported
109
Address already in use
110
Destination address required
113
IP address changed, causing TCP reset
114
Socket not connected
115
Connection attempt refused
116
Connection attempt timed out
117
Connection reset
118
Connection aborted
119
Broken pipe
120
Network subsystem unavailable
124
Invalid operation
125
Domain Name Error or Host not found
126
Domain Name not found
127
Network is not opened
129
The DNS resolve system is already in use or Temporary error
133
No address for the domain name
201
Network subsystem establishment in progress
202
Network subsystem unavailable
203
PPP is closing
Last Socket Error Query +WIPERR
Description: The +WIPERR command is used query the last error that occurred within the socket subsystem.
Syntax: AT+WIPERR?
Command
Possible Responses
AT+WIPERR?
+WIPERR: <error>
Values: <error> See Service Status Unsolicited Response 3 for list of possible error indications.
0 No error found