Swarm M138 - Page 55

Reading the newest received message again:
$MM R=N*01
$MM ERR,DBXNOMORE*03
There are no existing unread messages.
Enable message notifications:
$MM N=E*16
$MM OK*24
Message notifications are now enabled.
Query message notifications:
$MM N=?*6c
$MM N=E*16
Message notifications are enabled.
November 2021 Swarm M138 Modem Manual - Rev 1.00 55/77