Specifications

Chapter 21 – AT Command Examples
Multi-Tech Systems, Inc. CDMA AT Commands Reference Guide (PN S000294K) 173
UDP Connection, DNS Lookup, Unsolicited Received Data
AT+WCRX=1,1 Set UDP receive mode; unsolicited received data.
OK
AT+WPPP=1,user,password Start a SIP data call and open a PPP session.
OK
+WPPP: 201 Unsolicited response; PPP session startup in progress.
+WPPP: 200 Unsolicited response; PPP session established and available.
AT+WGSS=1 Display UDP connection status.
+WGSS: 1,2,1,0,0,0,0 UDP status, PPPstate “open”, RxMode “Unsolicited”, All sockets “closed”.
OK
AT+WDNS=”www.myurl.org" Look up IP address on DNS server.
OK
…
+WDNS: 0 Unsolicited response; Communication with DNS server completed.
AT+WDNS=”www.myurl.org” Display DNS server lookup result.
+WDNS : 216.37.68.117 IP address of ”www.myurl.org".
OK
AT+WOSK=1,216,37,68,117,250 Open a UDP socket to IP address 216.37.68.117 port 250.
+WOSK: 1,0 UDP socket zero allocated.
OK
+WSKS: 1,0,1 Unsolicited response; UDP socket zero is open.
AT+WGSS=1 Display UDP connection status.
+WGSS: 1,2,1,2,0,0,0 UDP status, PPPstate “open”, RxMode “Unsolicited”, Socket zero “open”.
OK
AT+WSTX=1,0,5,<cr>HELLO Send HELLO to UDP socket zero.
OK
+WSTX: 1,0,5 Unsolicited response; Five bytes transmitted on UDP socket zero.
…
+WSRX: 1,0,5:WORLD Unsolicited response; 5 bytes of data received on UDP socket zero.
“WORLD”
AT+WCSK=1,0 Close UDP socket zero.
OK
+WSKS: 1,0,4 Unsolicited response; UDP socket zero is closed.
AT+WGSS=1 Display UDP connection status.
+WGSS: 1,2,1,0,0,0,0 UDP status, PPPstate “open”, RxMode “Unsolicited”, Socket zero “closed”.
OK
AT+WPPP=2 Close the PPP session and end the data call.
OK
+WPPP: 203 Unsolicited response; PPP session shutdown in progress.
+WPPP: 202 Unsolicited response; PPP session closed.
UDP Connection, Blocked Data Transmission
AT+WPPP=0 Start a MIP data call and open a PPP session.
OK
+WPPP: 201 Unsolicited response; PPP session startup in progress.
+WPPP: 200 Unsolicited response; PPP session established and available.
AT+WOSK=1,216,37,68,117,250 Open a UDP socket to IP address 216.37.68.117 port 250.
+WOSK: 1,0 UDP socket zero allocated.
OK
+WSKS: 1,0,1 Unsolicited response; UDP socket zero is open.
AT+WGSS=1 Display UDP connection status.
+WGSS: 1,2,1,2,0,0,0 UDP status, PPPstate “open”, RxMode “Unsolicited”, Socket zero “open”.
OK
AT+WSTX=1,0,500,<data> Send 500 bytes of data on UDP socket zero.
OK
+WSTX: 1,0,500 Unsolicited response; 500 bytes transmitted on UDP socket zero.
… Other +WSTX commands and +WSTX responses for data transfers.
AT+WSTX=1,0,500,<data> Send 500 bytes of data on UDP socket zero.
+CME ERROR : 3
+WSTE: 1,0,102 Blocked data transmission on UDP socket zero.
AT+WGSS=1 Display UDP connection status.
+WGSS: 1,2,1,2,0,0,0 UDP status: PPPstate “open” and Socket zero “open”. Blocking condition due
OK to full socket buffer.
…
+WSKS: 1,0,1 UDP socket zero available for data transmission.
AT+WSTX=1,0,500,<data> Resend the failed 500 bytes of data on UDP socket zero.
OK
+WSTX: 0,500 Unsolicited response; resend good. 500 bytes transmitted on UDP socket zero.