Article #ETM229B Synopsis A Secure Transmission Unit (STU-III) is a secure telecommunications device designed to operate as both an ordinary telephone and a secure instrument over the telephone network. A STU unit is used to protect the transmission of sensitive or classified information. Because the unit can be used as...

Article #ETM237B Synopsis Email Tracks can be assigned to TeleWall® Security Policy Rules so that appropriate personnel are automatically notified via email when a call matches a specific TeleWall® Security Policy Rule. This technical bulletin explains how to modify the default Subject line of TeleWall Security Policy email messages. Note: This technical bulletin does not...