P0857846 Issue 02 Norstar-PLUS Modular ICS 2.0 System Coordinator GuideAnswering callsAnswering an incoming callThere are three indications of an incoming call: ringing, a line buttonflashing, and a message on the display. You will not necessarilyreceive all three indications for any particular call. For example, youmay have a line that has been set up not to ring at your telephone.If so, you will see only a flashing line button. There are manypossible combinations, depending on how your system is set up.See “Choosing a line using a line button” on page 48 for moreinformation on the use of lines.If you receive a priority call and your telephone has no free internalline buttons, you cannot transfer the priority call, you must accept orrelease it.Line buttonsOne line button for each line is assigned to your telephone. Pressthe line button to select the line you want to answer or use to makea call. Having several line buttons allows you immediate access tomore than one line.The M7100 telephone has two intercom paths which are usedinstead of line buttons to answer and make calls. Each M7100 canbe assigned two lines. You can press ˙ to switch betweentwo calls, one active and one on hold.Incoming line group buttonsYou have one incoming line group button for each incoming linegroup assigned to your telephone. You use an incoming line groupbutton just like a line button to answer calls, but you cannot use it tomake a call.M7100 telephones do not have incoming line group buttons.
