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Version: v5 (In Development)

ALERT - Add a Vocal GSM Modem

Overview​

A GSM vocal modem enables voice calls and SMS functionality in ALERT. The modem must be connected to the machine directly on a serial port, or through a USB/Serial adapter, with an active SIM card inserted.

GSM modem

Adding the Modem​

You must have sufficient administrative rights to perform this configuration.

  1. Open the Configuration menu and go to Communication
  2. Navigate to the Ports tab
  3. Select the appropriate COM port (e.g. COM3)
  4. Confirm the addition

Ports tab

Configuration Requirements​

Enable the following two checkboxes:

  • Voice Modem
  • GSM/PCS Modem — required to allow voice calls

Modem configuration

GSM Settings​

Configure the following parameters:

  • Country and SIM card provider identification
  • PIN code entry
  • Default parameters for call acknowledgment

GSM settings

Voice Settings​

The default modem supplied by Micromedia requires speed adjustment only if connected directly to the motherboard serial port (115200 baud rate).

Voice settings

Result​

Once configured, the modem is enabled — the added port appears in green in ALERT.

Modem enabled in green