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63
value
value
value
parameters
type
5
300
-
U8
ATTENTION! Some GSM operators may disconnect the device from an active
data link if the device doesn’t send any data for a very long time, even if active
data link timeout is set to maximum value. The amount of time that an operator
keeps the link open depends solely on the operator. For example, if active data
link timeout is set to maximum, 259200 seconds (72 hours), and the device
sends data to server every 86400 seconds (24 hours), the operator might
disconnect the link earlier and the device will have to connect to the server
anew. This may cost extra, depending on the operator GPRS data charge. It is
strongly recommended, when using active data link timeout, that data sending
to the server should not be very rare (24 hours or more). If data sending is more
frequent, then the operator will not disconnect the device form the server.
6.4
GSM parameters
6.4.1
GPRS content ac
t
ivation (ID=2000)
Parameter allows or does not allow GPRS usage. If GPRS is not allowed value is 0, if GPRS is
allowed value is 1.
Minimum
value
Maximum
value
Recommended
value
Goes with (depends on)
parameters
Value
type
0
1
-
S8
6.4.3
APN Name (ID=2001)
Parameter defines GPRS Access Point Name.
Minimum
value
Maximum
value
Recommended
value
Goes with (depends on)
parameters
Value
type
Empty
32 char
string
-
S8[32]
6.4.4
APN username (ID=2002)
Parameter defines APN username. In case operator does not use username for login, value
should be empty.
Minimum
value
Maximum
value
Recommended
value
Goes with (depends on)
parameters
Value
type
Empty
30 char
string
-
S8[30]