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Mini-AT User Guide
The Scheduled Call-In feature also requires the Mini-AT to issue AT commands to a Messenger
Modem. This feature is designed to interface with third party software applications that can accept a sched-
uled call-in from a remote site.
To use this method, set the following items:
333 Call-in Trigger 2 - Scheduled Call-in only
334 Scheduled Call-in date desired date of call
335 Scheduled Call-in time desired time of call
339 Scheduled Call-In Phone# Phone number to call at scheduled time
486 Modem AT Enable 1 - Call-in via AT commands
491 Modem Init String Initialization command of the modem
Default = &F
492 Modem Dial String Command sent to initiate dialing
Default = ATDT
494 Modem Hang-up String Command sent to modem for hang-up
Default = ATH
495 Modem Retry Interval A Time to wait for a retry if first call fails
Default = 5 (value is in minutes)
496 Modem Retry Interval B Time to wait for a retry if all calls fail
Default = 1440 (value is in minutes)
Note: After each Scheduled Call-in, the date in item 334 must be changed to reflect the next
desired call-in date. Otherwise the instrument will not call-in again.
The Mini-AT
can also be configured to call-in for both the scheduled and alarm case. In order to configure the
instrument for this method the following items must be set:
333 Call-In Trigger 3 - Alarm & Scheduled Call-in
334 Scheduled Call-in date desired date of call
335 Scheduled Call-in time desired time of call
339 Scheduled Call-In Phone# Phone number to call at scheduled time
486 Modem AT Enable 1 - Call-in via AT commands
491 Modem Init String Initialization command of the modem
Default = &F
492 Modem Dial String Command sent to initiate dialing
Default = ATDT
493 Alarm Call-In Phone # Phone number to call for alarm
494 Modem Hang-up String Command sent to modem for hang-up
Default = ATH
495 Modem Retry Interval A Time to wait for a retry if first call fails
Default = 5 (value is in minutes)
496 Modem Retry Interval B Time to wait for a retry if all calls fail
Default = 1440 (value is in minutes)