
Chapter 20 – Reference Information
Multi-Tech Systems, Inc. CDMA Wireless AT Commands (PN S000294J)
154
TCP App Socket Status Events
Code
Description
1
Socket is open
2
Receive data is available
4
Socket is closed
TCP App Socket Error Codes
Code
Description
0
End Of File (EOF); server is done sending data
100
Invalid socket descriptor
101
Invalid buffer or argument
102
Operation would block
103
Address family not supported
104
Wrong protocol for socket type
105
Socket parameter not supported
106
Protocol not supported
107
No more sockets available for opening
108
Operation not supported
109
Address already in use
110
Destination address required
111
Connection establishment in progress
112
Connection already established
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
121
No more applications available
122
Invalid application ID
123
There are existing sockets
124
Invalid operation
TCP App DNS Server Codes
Code
Description
125
Domain Name Error or not found
126
Domain Name not found
127
Network is not opened
128
Out of memory
129
DNS Server busy
130
Reserved
131
Reserved
132
Unrecoverable error
133
No address for the domain name
TCP App PPP Network Codes
Code
Description
200
PPP established and available
201
PPP initialization in progress
202
PPP closed or unavailable
203
PPP is closing