132.10 Incoming Call WaitingAn incoming call number and call-waiting message will appear on the screenwhen a new incoming call arrives yet while you are on a call.♦ Press and (or ) key to reject the waiting call.♦ Press and (or ) key to end the active call and connect thewaiting call.♦ Press and (or ) key to hold on the active call and connect tothe waiting call.With the above operation, you can also switch between an active call and a heldcall.2.11 Extension DialAfter you key in the telephone number, long press key for a second, then”P” will display on the LCD screen. Enter the extension number and press(or ) key to send the dial.2.12 Call OptionsWhen you are on a telephone call, you can press (or ) key to enter theoptions and press (or ) key to select. The options are listed asfollows:The options marked “*” are only available if you have subscribedto your network service provider.Mute callWhen no sound wants to be heard by your interlocutor when you are on a call.You can choose the Mute function to do so.* End callUnder a circumstance of multi-party call, you can end up one of them byselecting this function.