Setting up GSM Modem

Your Didactum monitoring system must be equipped with the optional quad-band GSM modem. If you do not have a GSM modem, you can install this modem to your Didactum monitoring system. For questions about the SIM card, contact your card provider.

the name of GSM modem, "GSM Modem" by default; 
groups are used in "Group tree" menu and are set manually by the user. 
Current State
the state of GSM modem; 
not connected - GSM modem is not connected; 
low - GSM modem is initiating or disconnecting; 
normal - GSM modem is ready to send SMS; 

warning - occurence of a one-time error that does not affect the overall 
operation of the GSM modem;
alarm - occurence of error that does not allow further operation of GSM modem. 
unique number that identifies the GSM modem; 
Signal Level
 the level of signal, values range from 0% to 100%. 
Network registration
Input, whether GSM modem is logged on the network 
Network status
registered in operator - logged into the GSM network 
registered in network - logged into the GSM network 
not registered - not registered in home network; 
registration denied - registration in home network is denied. 
network status 
not found - GSM modem is not found; 
found, not ready - GSM modem is found but is not ready for operation; 

found, ready - GSM modem is found and is ready for operation. 
In addition, this field shows errors that occur during operation of
GSM modem e.g.error sending SMS.
 This field can be empty if PIN code is deactivated on SIM card; 
Phone of SMS Centre
 the number of SMS center. At connection the number is read from the SIM card. 
After editing the changes are saved on SIM card;
List of allowed phone 

the list of numbers that are allowed to send SMS commands. 
SMS commands from any other number will not be executed.
The number must begin with a "+".

SMS notifications

For more information on creating SMS see section Creating notifications .

To add recipient of SMS notification go to "System tree" or "Group tree" menu and press „+“ then choose "SMS".

name of notification. Can be random (name, recipients position etc.),"SMS" by default; 
Phone Number
the recipients phone number. The number must begin with a "+". 
the text of the message, can be in any language. 
The length of the message which contains latin characters is max 160, 
cyrillic characters - 70.
If the length of the message exceeds this limit the SMS is split into several parts. 

In addition, this field allows you to edit macros (1%-7%) which insert the real 
values of the variables instead of the text.

To send a test message press "Test". The macros in the message text will be displayed in its original form (% ..). To save the notification properties, click "Save". After filling in the properties of notification , you must specify the event, at occurrence of which SMS notification will be sent. To do this, go to "Logic schemes" menu >> press add button „+“ and specify the conditions for sending SMS notifications. 

For each new recipient you have to repeat the procedure of adding SMS notification.

Before messages are sent they are queued up, which means you do not have to wait until the previous message is sent. The information on all SMS sent is displayed in the log of monitoring system.

If an error occurs while sending a message, the log displays "SMS send error" and indicates the error number. The most common error is 515 (p.s. busy), which can occur when:

  • not enough credit on the SIM card;
  • wrong SMS centre number;
  • low signal level ( less than 15%) in the home network;
  • wrong SMS format ( the number must begin with a "+") or the number is invalid.