Technical information

Chapter 2: AT+i Commands Reference
May 31, 2008 AT+i Commands Reference Manual 2-9
+iPING - Send a PING Request to a Remote Server
Syntax: AT+iPING:<host>
Sends a two-byte ICMP PING request packet to the remote host defined by
host.
Parameters: <host>=Logical name of the target host or a host IP address.
Command Options:
<host> The host name may be any legal Internet server name, which can be
resolved by the W24's DNS (Domain Name Server) settings. The host name
may also be specified as an absolute IP address given in DOT form.
Result Code:
I/<RTT> Upon successfully receiving an ICMP PING reply from the host, the round
trip time in milliseconds is returned (RTT). W24 allows up to <PGT>
milliseconds for a PING reply. If a reply is not received within <PGT>
milliseconds, W24 sends two more PING requests, allowing <PGT>
milliseconds for a reply on each of the requests before reporting an error.
I/ERROR Otherwise.