AT Command Reference Guide for EDGE Wireless ... - wless.ru

Chapter 10 – Internet Service Commands
10.7 Information Elements Related to Internet
Service URCs
This section describes the information elements which may be presented by the “^SIS” URC after opening an
Internet service. See also AT^SISO.
The tables contain the and, if applicable, a specific . If marked with *) the precise
text related to a varies greatly depending on the scenario and the implementation of the
remote server. In these cases, only a brief explanation of the scenario can be found in the column “Description”.
10.7.1 URC Information Elements Related to the Service Application
The following table lists URC information elements which may be returned by all supported services. It should
be noted that TCP/IP socket problems may occur in all Internet service connections (Socket, FTP, HTTP, POP3
or SMTP).
Description
URC Information Elements Returned by the TCP/IP socket
2 Socket error: Invalid socket descriptor
3 Socket error: Bad access specified
4 Socket error: Invalid operation
5 Socket error: No free socket descriptors
6 Socket error: The operation would block
7 Socket error: A previous attempt at this operation is still ongoing
8 Socket error: Socket is not bound
9 Socket error: The supplied buffer is too small/large
10 Socket error: Flags not supported
11 Socket error: Operation not supported
12 Socket error: The address is already in use
13 Socket error: The network is unavailable
14 Socket error: An established connection was aborted
15 Socket error: Remote host has reset the connection
16 Socket error: No buffer space available
17 Socket error: The socket is already connected
18 Socket error: The socket is not connected
19 Socket error: Socket has been shut down
20 Socket error: Connection timed out
21 Socket error: Remote host has rejected the connection
22 Socket error: Remote host is unreachable
23 Socket error: An unexpected error occurred
24 DNS error: Host not found
25 DNS error: An error occurred that may be transient; a further
attempt may succeed.
26 DNS error: An unrecoverable error occurred
General URC Information Elements
46 Fatal: The service has detected an unknown error
47 *) Indicates that the remote
service has closed the
connection. The host shall
close the service.
48 Fatal: No memory is available for service action
49 Fatal: Service hs detected an internal error.
Multi-Tech Systems, Inc. AT Commands for EDGE Modems (S000371B) 141