BGS2T AT Command Set
3.3 AT^SIND
BGS2T_ATC_V01.301 Page 73 of 554 1/31/12
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local Time Zone (TZ), Daylight Saving Time (DST). All information elements of
MMI/GMMI are optional and therefore, the presentation of the parameters
<nitzUT>, <nitzTZ>, <nitzDST> varies with the network. For example, the
network may send all three parameters UT, TZ, DST, or only UT and TZ or only
TZ.
UT is indicated in usual date/time format and represents the current world time
(GMT) at the moment when sent.
TZ is given as a positive (east) or negative (west) offset from UT in units of 15
minutes.
DST shows the number of hours added to the local TZ because of daylight sav-
ing time (summertime) adjustment. Usually DST is 1 hour but it can be also 2
hours in certain locations.
Example for time and time zone with DST:
+CIEV: nitz,"04/07/23,13:39:20",-28,1
In this example TZ is -28, showing a time offset of -7 hours (west) to Universal
Time/GMT (which never changes for DST). DST is 1 which indicates that one
hour was added to TZ because of Daylight Saving Time. If a network does not
send the DST parameter the TZ value would be -32 (8 hours west) as would
be done in winter:
+CIEV: nitz,"04/11/23,13:39:20",-32
Please be aware that despite the last NITZ value can be looked up again via
"AT^SIND=nitz,2" the returned values may be out of date. Especially the UT
value is obsolete because there is no internal NITZ clock and therefore no con-
tinuation of UT.
NITZ values are lost when the ME detaches from network. Also when a manual
network selection fails and the ME automatically falls back to the previous net-
work the NITZ values cannot be recalled. Nevertheless an indicated time zone
is valid until a new MMI/GMMI will trigger another NITZ indication.
Integ
er type value in the range stated above for the corresponding <indDescr>.
Notes specific to EONS feature:
If indicator is "eons", <indValue> is a type associated to the operator name according to 3GPP TS 22.101
[37]. This type depends on the source of the operator name.
Priority of types associated to the operator names is defined as follows (the type listed first has the highest pri-
ority). If a type cannot be indicated the next one will be used.
If the type is 2, 4 or 5, AT+COPS with the appropriate <mode> displays the same operator name.
0 Indicator is deregistered, i.e. no such indicator event report (URC) will be
issued. <mode>=0 is power-up and factory default of indicators defined by
AT^SIND only.
<indValue>
(num)
0 Not registered.
1 EF
OPL
and EF
PNN
(alphanumeric format, can contain up to 24 characters.)
2 Operator Name String in long and short format according to Common PCN
Handset Specification (CPHS) [38] (alphanumeric format, can contain up to 16
characters).
3 Name information received by the NITZ service long and short form (alphanu-
meric format, can contain up to 16 characters). The short form will be displayed
only if EF
OPShort
from CPHS is available.
4 Any operator name stored internal to the ME (alphanumeric format, can con-
tain up to 16 characters).
5 Broadcast MCC-MNC (numeric format which consists of a 3-digit country code
plus a 2- or 3-digit network code).
<mode>
(num)
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