User guide

3GPP TS 27.005 AT COMMANDS FOR SMS AND C
BS
AT Commands for EV-DO-EV3 Modems
92
Notes PDU Mode
 Echoing given characters back from the TA is controlled by echo command E.
 The PDU is hexadecimal format (each octet of the PDU is given as two IRA character long hexadecimal
number) and given in one line.
 To send the message issue Ctrl-Z char (0x1A hex).
 To exit without sending the message issue ESC char (0x1B hex).
 If message is successfully sent to the network, then the result is sent in the format:
+CMGS: <mr>
where
<mr> - message reference number; 3GPP TS 23.040 TP-Message-Reference in integer format.
 If message sending fails for some reason, an error code is reported.
Example PDU Mode
AT+CMGF=0
OK
AT+CMGS=35
>
07801091346554F307801096224658F110020000166262626262626262626262626262626262626
2626262
+CMGS: 4
OK
07 <addr_len: 7byte>
80 <type_addr: 128>
1091346554F3 <Destination_address:01194356453>
07 <addr_len: 7byte>
80 <type_addr: 128>
1096224658F1 <callback_address:01692264851>
1002 <Teleservice_id: 4098(decimal)>
00 <priority: normal >
00 <encoding_type: octet >
16 <data_len: 22>
62626262626262626262626262626262626262626262
<user_data: bbbbbbbbbbbbbbbbbbbbbb>