Product Features
20 98-08901C68-O
Date Book Access Commands
+MDBL This command locks/unlocks the date book database. 111
+MDBR This command reads entries stored in the date book. 112
+MDBAD This command sets/reads the auto-delete user preference setting in the date book
database.
114
System Date and Time Access Commands
+CCLK This command reads/sets the g20's current date and time settings. 115
SMS
SMS Commands
+CSMS This command handles the selection of the message service by returning the types
of messages that are supported by the g20.
117
+CPMS This command handles the selection of the preferred message storage area. 119
+CMGF This command sets the type of input and output format of messages to use. 120
+CSCA This command handles the selection of the SCA (Service Center Address) and the
TOSCA (Type of SCA).
121
+MEGA This command updates the Email Gateway Address, and is required for all MAs. 123
+CSDH This command controls whether detailed header information is shown in the text
mode result code.
124
+CNMI This command enables the unsolicited notification of the accessory when a new
SMS message is received by the g20.
125
+CNMA This command acknowledges the receipt of a +CMT response. 127
+CMGL This command enables the accessory to read a list of all the SMS messages with
status value <stat>, from the g20 message storage <mem1> (selected using the
+CPMS command).
128
+CMTI This command sends an unsolicited message to the accessory upon receipt of an
SMS message.
128
+MMGL This command enables the accessory to read a list of all the SMS messages with
status value <stat>, from the g20 message storage <mem1> (selected using the
+CPMS command). The read status of the messages does not change.
130
+CMGR This command enables the accessory to read SMS messages from the g20. 131
Table 3. AT Commands (Continued)
AT
Command
Description Page