Specifications

Chapter 3 – Status Control Commands
Multi-Tech Systems, Inc. AT Commands for EDGE (E1) Modems (S000474A) 53
The ciphering indicator feature may be disabled by the home network operator setting data
in the “administrative data” field (EF
AD
) in the SIM, as defined in GSM 11.11.
If this feature is not disabled by the SIM, then whenever a connection is in place or is not
enciphered, an indication shall be given to the user. This enables the user’s decision how to
proceed.
Read command returns valid ciphering status only if a call is in progress or active.
If EF
AD
setting disables the ciphering indicator feature read command always indicates a
ciphered link and no URC presentation will take place.
The following restrictions apply if the same serial channel is used for AT^SIND
“ciphcall” indication and for the action triggering this URC. In general, the recommended
solution is to use a dedicated channel for all status signaling via URCs.
• If an unciphered mobile originated SMS is performed, AT^SIND “ciphcall”
URCs on the same serial channel will be issued after the related “OK” and indicate
the ciphering state at this time.
• If an unciphered mobile originated data call is performed, AT^SIND “ciphcall”
URCs on the same serial channel will be issued after the interface is not longer
blocked by the call (call is released or temporarily stopped) and indicate the ciphering
state at this time.
adnread Abbreviated Dialing Number (ADN) Phonebook Read Indication
0 Phonebook reading is not finished.
1 Phonebook reading is finished.
Every time after entering the AT+CPIN the module starts reading the AND phonebook. This
can be used to enable the TE to output the phonebook records as URCs. The advantage is
that the user does not need to wait until the phonebook read command AT+CPBR is
accessible after entering the SIM PIN (depending on the SIM card this may take up to 30
seconds without RSA or 2 minutes with RSA).
If <mode>=1 all used ADN phonebook records stored on the SIM will be output as URCs
after SIM PIN authentication has been performed successfully. A URC with "READY" tag
issued at the end of the list indicates that the EDGE modem has finished reading the
phonebook.
Note that the settings of AT^SIND and AT+CMER will be restored to their default values
when restarting. Therefore it is recommended that the settings be enabled before entering
the SIM PIN. This can be done, for example, after rebooting.
eons Enhanced Operator Name String (EONS) Indication.
The Enhanced Operator Name String indicator feature allows the Multi-Tech wireless
modem to output various operator names for different PLMN identities via URC. It also
allows the output of a different operator name based on a subset of the registered network
by using a range of Location Area Codes (LACs) or a single LAC.
The presentation of the “eons” indicator is determined by network activity. For example, the
indicator appears every time a location update occurs or a NITZ information is sent, no
matter whether or not the status of the EONS information has changed. This means that the
same EONS information may be reported several times.
The EONS tables are stored in the SIM card and will be read at power-up.
This is a list of the SIM Elementary Files that are affected by the introduction of EONS
feature in the SIM card:
EF
SST
(SIM Service Table) - describes which features are active.
EF
OPL
(Operator PLMN List) - contains the PLMN identification and location ID
together with the index of the corresponding PNN record.
EF
PNN
(PLMN Network Name) - contains the full and short form version of the
network name for the registered PLMN.
If the Operator Name Source is CPHS Operator Name String long and short
form, refer to <indValue>, the following two SIM Elementary Files are used:
EF
ONString
(Operator Name String) - contains the name of the PLMN operator who
issued the SIM.
EF
OPShort
(Operator Name Short form) - contains a short form of the name of the
PLMN operator who issued the SIM.