Chapter 7 – PING Services
Multi-Tech Systems, Inc. AT Commands for Wireless Modems with IP Connectivity (S000333D)
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#PING Start PING Request
Definition:
Once an IP link is established, and if no other TCP/IP stack resource is active, this command sent by
the attached host directs the TCP/IP stack to start PING requests.
Values:
Read parameters:
PINGDELAY
PINGNUM
PINGREMOTE
Syntax:
AT#PING
Command
Possible Responses
AT#PING
"wavecom.com" is alive : time = 900 ms
"wavecom.com" is alive : time = 900 ms
"wavecom.com" is alive : time = 800 ms
"wavecom.com" is alive : time = 800 ms
"wavecom.com" is alive : time = 1000 ms
NO answer from "wavecom.com"
"wavecom.com" is alive : time = 900 ms
"wavecom.com" is alive : time = 800 ms
"wavecom.com" is alive : time = 900 ms
"wavecom.com" is alive : time = 900 ms
OK
Note: TCP/IP stack sends PINGNUM = 10 requests
AT#PING
#CME ERROR: 38027
Note: The address of the remote has not been resolved by the DNS servers. The
TCP/IP stack is not able to reach the primary and secondary DNS servers or a
wrong remote address has been filled in.
AT#PING
#CME ERROR: <value>
Note: An error has occurred during the PING requests.
#VPING Display PING Parameters
Definition:
This command directs the TCP/IP stack to display all the AT# parameters related to the PING
configuration.
Values:
Read parameters:
PINGDELAY
PINGNUM
PINGREMOTE
Syntax:
AT#VPING
Command
Possible Responses
AT#VPING
Note: View PING parameters
#PINGDELAY: 1
#PINGNUM: 4
#PINGREMOTE: " "
OK