Cinterion 'simstatus'

[Aleksander Morgado]

On Wed, Mar 8, 2017 at 1:00 PM,  <colin.helliwell at ln-systems.com> wrote:
> The Cinterion plugin, when initialising a modem, does 20 tries of
> AT^SIND="simstatus" (after_sim_unlock_context_step).
>
> This isn’t supported by my modems – but there may well be an alternative
> command which could be used. However I’m not sure what it’s *actually*
> trying to check for?

It's trying to see if the SIM card is ready to be used. Usually after
the SIM PIN unlock operation the SIM card may need some time to get
initialized; if we're too quick asking things after that we may get
errors. See this example I just got yesterday with a different modem:

ModemManager[20729]: <debug> [1488923142.478228]
[mm-broadband-modem.c:6418] modem_messaging_load_initial_sms_parts():
Listing SMS parts in storage 'sm'
ModemManager[20729]: <debug> [1488923142.478249]
[mm-broadband-modem.c:5532] mm_broadband_modem_lock_sms_storages():
Locking SMS storages to: mem1 (SM), mem2 (none)...
ModemManager[20729]: <debug> [1488923142.478284]
[mm-port-serial.c:1220] mm_port_serial_open(): (ttyUSB0) device open
count is 3 (open)
ModemManager[20729]: <debug> [1488923142.478324]
[mm-port-serial.c:1277] _close_internal(): (ttyUSB0) device open count
is 2 (close)
ModemManager[20729]: <debug> [1488923142.478361]
[mm-port-serial-at.c:459] debug_log(): (ttyUSB0): -->
'AT+CPMS="SM"<CR>'
ModemManager[20729]: <debug> [1488923142.550085]
[mm-port-serial-at.c:459] debug_log(): (ttyUSB0): <-- '<CR>'
ModemManager[20729]: <debug> [1488923142.551088]
[mm-port-serial-at.c:459] debug_log(): (ttyUSB0): <-- '<LF>+CMS '
ModemManager[20729]: <debug> [1488923142.552082]
[mm-port-serial-at.c:459] debug_log(): (ttyUSB0): <-- 'ERROR:'
ModemManager[20729]: <debug> [1488923142.553082]
[mm-port-serial-at.c:459] debug_log(): (ttyUSB0): <-- ' 314<CR>'
ModemManager[20729]: <debug> [1488923142.554086]
[mm-port-serial-at.c:459] debug_log(): (ttyUSB0): <-- '<LF>'
ModemManager[20729]: <debug> [1488923142.554163]
[mm-serial-parsers.c:364] mm_serial_parser_v1_parse(): Got failure
code 314: SIM busy
ModemManager[20729]: <debug> [1488923142.554198]
[mm-iface-modem-messaging.c:775] load_initial_sms_parts_ready():
Couldn't load SMS parts from storage 'sm': 'SIM busy'


-- 
Aleksander
https://aleksander.es