Use this procedure to make a call using the expansion module lines. An outgoing call is indicated with the outgoing call icon. The LED integrated in the line buttons are synchronized with the LED’s on the phone (the green LED combined with the red LED).
Procedure
Lift the handset and press the line button corresponding to the extension number to which you want to call.
Optional Press the line button without lifting the handset to make a call using the speakerphone.
