[ 55 ]Advanced calling features10SAVE TOUCH TONE STRINGSStore touch tone strings the same way you save phone numbers (see “Savenames, numbers, and e-mail addresses” on page 39).For frequently used strings of numbers, you can save an entire sequenceof digits in your phone book and send it as a touch tone string.SEND A TOUCH TONE STRING1 Press Options.2 Scroll to Touch tones and press Select.3 Enter a touch tone string or recall a touch tone string from the phonebook and press OK.End all calls1 Press Options.2 Scroll to End all calls, then press Select.Access the phone bookYou can access the phone book while in a call.This option appears in the menu as Phone book.1 Press Options.2 Scroll to Phone book and press Select. Now your phone bookfunctions are available. See “Use the phone book” on page 39.Access menusScroll to Menu and press Select to access any of your phone’s menus.Mute/unmute the microphoneYou can mute and unmute your phone’s microphone while a call is inprogress. The difference between mute and hold is that mute lets you hearthe other caller.1 Press Options.2 Scroll to Mute, then press Select.