Chapter 5 – Call Control Commands
Multi-Tech Systems, Inc. CDMA Wireless AT Commands - PN S000294C 38
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 fax or 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. See Chapter 17, Basic S-Registers.