
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.
Invalid socket descriptor
Address family not supported
No more sockets available for opening
Destination address required
IP address changed, causing TCP reset
Connection attempt refused
Connection attempt timed out
Network subsystem unavailable
Domain Name Error or Host not found
The DNS resolve system is already in use or Temporary error
No address for the domain name
Network subsystem establishment in progress
Network subsystem unavailable
Last Socket Error Query +WIPERR
Description: The +WIPERR command is used query the last error that occurred within the socket subsystem.
Syntax: AT+WIPERR?
Values: <error> See Service Status Unsolicited Response 3 for list of possible error indications.
0 No error found
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