Panasonic Digital Super Hybrid SystemProduct Description37ISSUE 1 E & O EData Line SecurityDescriptionWhen enabled data line security prohibits the intrusion of unwanted tones into a call. It allows datatransmissions to be free of the corruption which would otherwise result if tones such as call waiting were tointerfere with the transmission.BenefitsEnsures the integrity of data (or fax) transmissions and ensures that they are free from corruption.Direct Dial In (DDI)DescriptionDirect dial in is an ISDN feature. The user of the KX-TD208E will rent a series of numbers from the networkprovider. The network provider sends some of the number dialled to the KX-TD208E. The KX-TD208E in turntranslates the number dialled to a specific extension.BenefitsAllows callers to dial direct to the person (or facility*) they require.Do not disturb (DND)DescriptionDo not disturb may be set by an extension user. When an internal call is made to an extension with this set thecaller can hear a specific tone which indicates that this feature has been set on it. Incoming exchange line callsalso will not cause the extension to ring.New Feature - A backup extension can be set-up so that when a call is made to an extension set to DND it willautomatically be forwarded to the backup extension.BenefitsAllows the extension user to choose when they are able of unable to take calls. For example it would stop callsarriving at your extension whilst you are in a meeting.