2N Helios IP User manual, 1510 v1.13 - Manual (Page 116)

Configuration 3.3
116
Subject
Specify the subject of the e-mail message to be sent.
Body
Enter the content of the e-mail message to be sent using any HTML formatting
tags. You can also insert special pre-defined symbols for certain data, such as
user name, date, time, identification and/or called number. These symbols are
replaced with real values before sending. Refer to the table below:
$User$
Called user name
$DateTime$ Current date and time
$DialNumber$ Called number
$HeliosId$ 2N ® Helios IP identifier
Miscellaneous subsection.