Western Telematic MT9234 Command +VDR=x, y Distinctive Ring Report, Command #CBDn Callback Delay

MT5634/MT9234 Modem; AT Command Set

Command: +VDR=x, y	Distinctive Ring Report
Values:	x = 0, 1 Distinctive Ring report control.
	See description.
	y = 0–255 Minimum ring interval in 100 ms units.
	See description.
Default:	0, 0
Description:	Enables reporting of ring cadence information to the
	DTE and specifies the minimum ring cadence that will
	be reported. The report format is one line per silence
	period and one line per ring period. The length of the
	silence period is in the form DROF=number in units of
	100 ms<CR><LF>, and the length of the ring is in the
	form DRON=number in units of 100 ms<CR> <LF>.
	The modem may produce a Ring event code after the
	DRON message if enabled by the y parameter. The y
	parameter must be set to a value equal to or smaller than
	the expected ring cadence in order to pass the report to
	the DTE.
	+VDR=0, N/A	Disables Distinctive Ring
		cadence reporting.
	+VDR=1, 0	Enables Distinctive Ring cadence
		reporting. Other call progress result
		codes (including RING) are reported
		as normal.
	+VDR=1, >0	Enables Distinctive Ring cadence
		reporting. The RING result code is
		reported after the falling edge of the
		ring pulse (i.e., after the DRON report).
	+VDR=?	Displays the allowed values.
	+VDR?	Displays the current value.

Command:	#CBAn Callback Attempts
Values:	n = 1–255
Default:	4
Description:	Sets the number of callback attempts that are allowed after
	passwords have been exchanged between modems.

Command:	#CBDn Callback Delay
Values:	n = 0–255
Default:	15
Description:	Sets the length of time (in seconds) that the modem waits
	before calling back the remote modem.

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