Compaq AlphaServer ES45 1B Owner's Manual page 267

enable alert
The enable alert command enables the RMC to page a remote system operator.
Before you can enter the enable alert command, you must configure remote
dial-in and call-out, set an RMC password, and enable remote access to the
RMC modem port. See Section 6.6.4 and Section 6.6.5.
RMC> set dial
Dial String: ATXDT9,15085553333
RMC> set alert
Alert String: ,,,,,,5085553332#;
RMC> enable alert
RMC>
If the enable alert command fails, the following error message is displayed:
*** ERROR - enable failed ***
Issue the status command to see if the Remote Access field is set to Enabled.
Remote Management 6-29