9TIP: Do not press the talk/call back button on the handset toactivate a custom calling service, such as call waiting, or call willdisconnect.MuteTo have a private, off-line conversation, use the MUTE feature. The party on thetelephone line cannot hear you, but you can hear them.1. Press the mute/clear button. The handset screen displays MUTE.. Press the mute/clear button to cancel and return to your phone conversation.PageThe page feature helps you locate a misplaced handset.1. Press the page button on the base. The charge/in use indicator on the baseflashes; the handset beeps and the handset screen displays Page from base.. To cancel the page, press the page button on the base, or press any key on thehandset. Otherwise the paging will last for minutes.Receiver Volume ControlWhen the handset is ON (in talk mode) you may adjust the receiver volume bypressing the cid/vol (3or4) button. There are five volume levels to choose from. VOL1 is minimum and VOL 5 is maximum.Intercom OperationThe intercom feature allows you to have a conversation with another registeredhandset without tying up the telephone line, allowing you to still receive incomingcalls.NOTE: The function is applicable only with additional handsets.NOTE: The following procedures can ONLY be done with Model279XX handset.