Specifications

Chapter 19 – Reference Information
Multi-Tech Systems, Inc. CDMA AT Commands Reference Guide (PN S000294K) 150
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