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Communication by sending SMS messages in GSM network

In the PROMOTIC system it is possible to communicate with the GSM network by two methods:
 

1 Sending/receiving SMS messages over the external GSM modem

In the PROMOTIC system there is the communication driver PmSMS. It allows sending/receiving SMS messages to/from the GSM network.
 

2 Sending/receiving email messages over the INTERNET

Sending and receiving email messages between the PC (with the PROMOTIC application) and the mobile handset can be implemented by two ActiveX drivers.

For an PROMOTIC example see: Preconfiguration "Sending the e-mails by the application".

HW requirements: PC with the Internet connection.

Way of communication: In the OS Windows an Internet connection must be set at first. Then it is possible to call corresponding methods of the ActiveX element for sending the email into the GSM network over the Internet in the PROMOTIC application. In the email message a string is sent that can be created in the PROMOTIC application and for example even required data (e.g. about the temperature) can be inserted into the text that you want to send by an email. Over another ActiveX object it is possible on the contrary to receive email messages from the GSM into the computer.

 

3 Other options

There are hardware modules for SMS sending that use other ways of communication. For example:
 
The SiteManager device of xx39 family (1139/3339 of 3G or 4G type) manufactured by Danish company Secomea (https://www.secomea.com), that are equipped with SIM card slot.

The device must be configured so it receives http requests from computer with running PROMOTIC application.

SMS sending is then executed by using the HttpRequest service (see Preconfiguration "HttpRequest - receive or send (GET, POST)").

The devices use the port 26864 by default, but it can be modified in device settings.

Example: just send Ethernet message to address "http://192.168.1.88:26864/SMS/+420602345678/Hello".

PROMOTIC 8.3.21 SCADA system documentation - MICROSYS, spol. s r.o.

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