2N Analogue GSM gateway 2N EasyGate PRO - Manual, 1749 v1.03 - Manual (Page 62)

Free minutes option 4.6
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Free minutes Function No.: 32x
The number of minutes that will be used to refill banks. The selection x is 1
to 4, according to bank number.
Setting options: 0-65535
Default setting: 0
Initial time Function No.: 33x
Initial time interval in seconds, which is charged for every call, although the
call is shorter. The selection x is 1 to 4, according to bank number.
Setting options: 0-255
Default setting: 0
Time step Function No.: 34x
The minimal time interval to be counted (for example 60 seconds means,
that after initial call time every beginning minute will be counted). The
selection x is 1 to 4, according to bank number.
Setting options: 0-255
Default setting: 0
Remaining minutes – information field
Minutes available till the end of billing period
Commands – direct access
Setting of the date and time
The time and date is set according to information from GSM (UMTS)
network, if this service is in network supported. When the service is not
accessible, the user has to set the time when the gateway is first used or
switched off for longer time period (there is backup for clock, which supports
correct clock for approximately 10 hours without power).
When the time is to be set, the user is informed about this fact by additional
short tone before dial tone. The LED network after connecting to network
shines discontinuously (short breaks in shining).
Code for setting: *06*YYMMDDhhmm#
Where:
YY:
year
MM: month
DD: day in month