Call functions37The Phonebook entries are listed.4. Enter the first a few letters of the name that youwant to find.The Phonebook entries are listed starting withthe first entry matching your input.Note: You can also scroll through the Phonebookfrom the beginning, by pressing the Up orDown key.5. To view the highlighted entry, press the Ok softkey.For further details about the Phonebook feature,see page 78.Muting/Sending key tonesYou can turn the key tones off or on during a call.When the Mute keys option is selected, your phonedoes not transmit the key tones. It allows you topress keys without hearing annoying key tonesduring a call.To communicate with answering machines orcomputerised telephone systems, the Send keysoption must be selected.Sending DTMF tonesYou can send the DTMF(Dual Tone Multi-Frequency)tones of the number on the display during a call.This option is helpful for entering a password oraccount number when you call an automatedsystem, like a banking service.To send the DTMF tones:
