Log into the DSM/CPM device and issue a /p and connect to the Modem Port.
![](https://ftp.wti.com/userimages/2018/05/p25modem-2-300x164.png)
Select option 24 for Modem Params.
![](https://ftp.wti.com/userimages/2018/05/nodialtoneenable-212x300.png)
Next issue a /n for Network Configuration to enable email messaging and input email addresses.
![](https://ftp.wti.com/userimages/2018/05/emailconfig-300x277.png)
Issue a /ac for the Alarm Configuration Menu
![](https://ftp.wti.com/userimages/2018/05/alarmconfig-248x300.png)
The No Dial Tone Alarm is now enabled and configured to trigger in the event that there is no longer a dial tone on the POTS line.