When enabled by your system administrator, this feature allows your phone to send alerts to a monitoring phone when it is off the hook for a set period of time with no action on user side. The phone sends alerts in the following cases:
If you take the handset off the hook and do not dial any digits for a set period of time and then do not end the failed session.
If you take the handset off the hook, dial an incomplete or invalid phone or extension number, and do not end the failed session after a set period of time.
When the phone dials the off-hook alert destination extension, the call can be picked up and you will have a two-way talk path with the monitoring party.