[20:15][root@debian][~] $ /etc/init.d/gammu-smsd status
● gammu-smsd.service - SMS daemon for Gammu
     Loaded: loaded (/lib/systemd/system/gammu-smsd.service; enabled; vendor preset: enabled)
     Active: active (running) since Thu 2020-12-10 19:59:55 CET; 16min ago
       Docs: man:gammu-smsd(1)
    Process: 191385 ExecStart=/usr/bin/gammu-smsd --pid=/var/run/gammu-smsd.pid --daemon (code=exited, status=0/SUCCESS)
   Main PID: 191386 (gammu-smsd)
      Tasks: 1 (limit: 9379)
     Memory: 1.5M
     CGroup: /system.slice/gammu-smsd.service
             └─191386 /usr/bin/gammu-smsd --pid=/var/run/gammu-smsd.pid --daemon

gru 10 20:14:56 debian gammu-smsd[191386]: Going to 30 seconds sleep because of too many connection errors
gru 10 20:15:26 debian gammu-smsd[191386]: Starting phone communication...
gru 10 20:15:26 debian gammu-smsd[191386]: Error at init connection: Error opening device, it doesn't exist. (DEVICENOTEXIST[4])
gru 10 20:15:26 debian gammu-smsd[191386]: Going to 30 seconds sleep because of too many connection errors
gru 10 20:15:56 debian gammu-smsd[191386]: Starting phone communication...
gru 10 20:15:56 debian gammu-smsd[191386]: Error at init connection: Error opening device, it doesn't exist. (DEVICENOTEXIST[4])
gru 10 20:15:56 debian gammu-smsd[191386]: Going to 30 seconds sleep because of too many connection errors
gru 10 20:16:26 debian gammu-smsd[191386]: Starting phone communication...
gru 10 20:16:26 debian gammu-smsd[191386]: Error at init connection: Error opening device, it doesn't exist. (DEVICENOTEXIST[4])
gru 10 20:16:26 debian gammu-smsd[191386]: Going to 30 seconds sleep because of too many connection errors
[20:16][root@debian][~] $