124 Making calls with multiple linesConnectingA station of a line trunk group is on a call. It’s primary line is configured as a sec-ondary line on your phone. This line now has the status "busy." You can connectto the call by pressing the illuminated key for this line (see also Page 16).Prerequisite: A secondary line is set up on your multi-line phone, the option toconnect to the call is activated for your phone and "system-based conference"is set up for your system ( Page 106).If a preview is set up and activated for the relevant line ( Page 130), you haveto press the line key a second time following the preview in order to connect.The key of a secondary line illuminates – it is busy. You want to connect to thecall.R Press the illuminated line key. A conference is established. You are connectedto the parties on the secondary line. The key continues to illuminates and theconference is shown on the display.You can now:• Put the secondary line on hold• Leave the conference on the secondary line• Make consultation call• Accept a second call• Alternate between a new call party and a conference on the secondary line.• Include a call party from a consultation or a second call in the conference.If there is already a conference on the secondary line you are connectedto this conference. The conference is shown on the display.