4G modem upgrade with a call function for NXS-97XX-4G line of devices. The modem upgrade enables call feature available since software version 3.2. This feature allows to make a dummy call (disconnected after seconds) to a desired phone number. Dummy call can be used as SMS follow-up to notify about important incidents/alerts within your system.
The Voice modem is a upgrade option for standard data-only modem in NXS-97XX-4G devices. This product can be purchased as an extension for both new and existing devices.