To force the connection of remote device to server send the specific command within an SMS. The same command is allowed from local COM PORT.

The remote unit receives an SMS AT#CON or  AT#SYNC

the password must be included at the beginning of the message

The device opens the connection to server - if not already connected - uploading data and downloading pending commands (if any), leaving the connection open.

The connection could be closed by network operator after an inactivity period.

Updated information are publicly available.

Messages (if any) are sent to recipients.