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R
EADING THE DAYS MISSING TO
SIM
CARD
EXPIRATION
This procedure allows you to check how many days until the SIM card
expiration.

Lift the handset and dial **54#.

After the confirmation tone hang up.
After receiving the request, the gateway will send an SMS to the number
programmed to be alerted.
The outgoing message text is the following: “
Days to upload reminder:
xxx ”.
The request will not be executed (an error tone will be received) if the
SIM card expiration control is disabled, if the notification number to be
alerted has not been previously entered or if the gateway is not correctly
registered to the 4G LTE/UMTS/GSM network.
R
EADING THE BATTERY STATUS
This procedure allows you to check the battery status through your
telephone.

Lift the handset and dial: **91#.
The gateway will send a number of short tones corresponding to the
guaranteed number of operating hours in idle mode:
Tones Hours in idle mode
No tones Absent or damaged battery
1 Tone 1 hour
2 Tones 2 hours
3 Tones up to 7 hours
4 Tones more than 7 hours