Multi-Tech Systems CDMA Wireless Modem manual Redial Last Telephone Number DL, Automatic Answer S0

Chapter 5 – Call Control Commands

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	OK
	Note: Redial last number	+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	OK
	Note: Activates DTR short message sending	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	OK
	Note: Automatic answer after 2 rings
	ATS0?	002
		OK
	Note: Current value	Note: always 3 characters padded with zeros
	ATS0=0	OK
	Note: No automatic answer	Note: Command valid

Other S-parameter registers are implemented. See Chapter 17, Basic S-Registers.

Multi-Tech Systems, Inc. CDMA Wireless AT Commands - PN S000294C 38