9ContentsCall Transfer – to Exchange Line ...................................................... 3-18Call Transfer – to Extension............................................................... 3-18Call Waiting ........................................................................................ 3-19Conference (3-party) .......................................................................... 3-20Conference (5-party) .......................................................................... 3-21D Data Line Security.............................................................................. 3-21Date and Time Setting ........................................................................ 3-22Direct In Line (DIL)........................................................................... 3-22Direct Inward System Access (DISA)............................................... 3-22Display Contrast Adjustment (KX-T7130 only) ................................ 3-28Distinctive Dial Tones ........................................................................ 3-28Do Not Disturb (DND)....................................................................... 3-29Door Opener ....................................................................................... 3-30Doorphone Call .................................................................................. 3-30DSS Console....................................................................................... 3-31E Emergency Call .................................................................................. 3-32Exchange Line Ringing Selection ...................................................... 3-32Executive Busy Override.................................................................... 3-33Extension Button Confirmation (KX-T7130 only) ............................ 3-33Extension Feature Clear ..................................................................... 3-34Extension Group................................................................................. 3-35Extension Hunting .............................................................................. 3-36Extension Lock................................................................................... 3-36Extension Password / System Password ............................................ 3-37External Feature Access ..................................................................... 3-38F Flexible Buttons.................................................................................. 3-39H Handsfree Answerback ....................................................................... 3-40Handsfree Operation........................................................................... 3-40Hold .................................................................................................... 3-40Host PBX Access................................................................................ 3-41I Intercept Routing ............................................................................... 3-42Intercom Calling................................................................................. 3-42L Language Selection ............................................................................ 3-43Limited Call Duration ........................................................................ 3-43Line Access Keys ............................................................................... 3-43Log-In/Log-Out .................................................................................. 3-44M Message Waiting................................................................................. 3-45Microphone Mute ............................................................................... 3-45Music on Hold / Background Music (BGM) ..................................... 3-46O One-Touch Dialling ............................................................................ 3-46Operator / Manager Extension ........................................................... 3-47Operator Call ...................................................................................... 3-47Outgoing Message (OGM)................................................................. 3-48Outside Calling................................................................................... 3-52