Specifications

Chapter 4 – Call Control Commands
Multi-Tech Systems, Inc. CDMA AT Commands Reference Guide (PN S000294K) 24
Redial Last Telephone Number DL
Description: This command is used by the application to redial the last number used in an ATD commanded voice call.
The ATDL command causes the last voice call number to be redialed. The phonebook is not referenced for
the redial. Data call numbers are not supported by this command; only voice call numbers.
Syntax: Command syntax: ATDL
Command Possible Responses
ATDL
Note: Redial last number
OK
+WORG: 8585551212
Note: Last call was a voice call. Command valid
Automatic Dialing with DTR %Dn
Description: This command enables and disables the automatic sending of the short message (SMS) stored in the first
location. The number is dialed and then short message is sent when DTR OFF switches ON.
Values: <n> (0-2) Enable or disable automatic message transmission or number dialing.
Informs the product that the number is a voice rather than a data number.
AT%D0 Disables automatic DTR number dialing / message transmission.
AT%D1 Currently not implemented.
AT%D2 Activates automatic DTR message transmission if DTR switches from OFF to ON.
Syntax: Command syntax: AT%D<n>
Command Possible Responses
AT%D2
Note: Activates DTR short message sending
OK
Note: Command has been executed
Automatic Answer S0
Description: This S0 (zero) register parameter determines and controls the product automatic answering mode.
Values: <value> (0-255)
0 No automatic answer.
1 – 255 Answers after the specified number of rings.
Syntax: Command syntax: ATS0=<value>
Command Possible Responses
ATS0=2
Note: Automatic answer after 2 rings
OK
ATS0?
Note: Current value
002
OK
Note: always 3 characters padded with zeros
ATS0=0
Note: No automatic answer
OK
Note: Command valid
Other S-parameter registers are implemented.