+MIPCALL: 10.170.4.111
//Ping host www.sohu.com 3 times with <TTL>=255. All other parameters are default.
AT+MPING=1,"www.sohu.com",3,,255 OK
//ICMP Echo Reply message received, RTT is 522 ms.
+MPING: "121.14.0.17",0,0,522
+MPINGSTAT: 1 // No corresponding reply within timeout.
+MPINGSTAT: 3 // Flow Control OFF.
+MPINGSTAT: 4 // Flow Control ON, a new Echo Request message is sent immediately.
+MPING: "121.14.0.17",0,0,638
//Ping request execution is completed. Statistics displayed to terminal. Three Echo Request
messages were sent, and two Echo Reply messages were received. Average RTT is 580
milliseconds.
+MPINGSTAT: 0," 121.14.0.17",3,2,580
//Ping host www.sohu.com 1 time with <TTL>=1 and <size>=1372.
AT+MPING=1,"www.sohu.com",1,1372,1
OK
//ICMP Time Exceeded message received. TTL expired in transit.
+MPING: "192.168.252.65",11,0
//Ping request execution is completed.
+MPINGSTAT: 0," 121.14.0.17",1,0
13.1.16 +MSDNS, Set DNS IP Address
This command set/read DNS (Domain Name Server) IP address (primary/secondary) for each socket. If
the user doesn't specify DNS servers by AT+MSDNS, Module will use default DNS from NW. The defined
value(s) will be saved during disconnect PDP context (can be used in next PDP context), but will reset
after power cycle.
Command
Syntax
Set
AT+MSDNS=[<Socket_ID>[
,<Primary_DNS_server_IP
>[,<Secondary_DNS_serve
r_IP>]]]
Read
AT+MSDNS?
AT Commands User Manual
Response/Action
OK
or:
+CME ERROR: <err>
+MSDNS:
1,<Primary_DNS_server_IP>,<Secondary_DNS_server_I
P><CR><LF>
+MSDNS:
2,<Primary_DNS_server_IP>,<Secondary_DNS_server_I
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