Section 700 - Operation Chapter 7. SLT Features576-50-700 DBS 576HD (USA) issued September 2001 5-39• Do Not Disturb can only be set through the PDN, but cannot be set through the NPDN.• Timed Reminder (Alarm Setting) is set through the PDN, but cannot be set through the NPDN.• Offhook Voice Announce is available to PDN conversation, but not available to the NPDNconversation.• The appearance of incoming CO calls have the following priority if the keys are set to the sameextension:• CO/Floating Hold Key• MCO Key• DN Key• Non-AppearanceDisplay InformationDescriptionKey telephones with a Liquid Crystal Display (LCD) reflect the following information:• Day and time (in 12 or 24 hour format)• Callback requests from other extensions• Caller ID information• Call duration• Extension number• Extension calling party name• Extension called party status• Trunk call duration• Trunk number• Trunk nameDisplay telephones can also display Personal Speed Dial (PSD) Directories, System Speed Dial (SSD)Directories, and Extension Directories, along with various other information such as the Set/Cancelstatus of different features and callback messages from other extensions.Caller ID Display InformationPrior to Version 3.5, the telephone would not display Caller ID information for an extension that wasin use when a call was received. In Version 3.5 or higher, Caller ID information is displayed on thesecond line of an LCD display when an incoming call is received during conversation. If a secondincoming call is from another extension, the LCD displays the extension name or number. If thesecond incoming call is from a CO, the LCD displays the CID information transmitted from the caller.Caller ID displays the second incoming call as follows:Figure 3. Normal Incoming Caller ID Message (CO Line/Extension)