[ 40 ]Switch between two calls in progress• Press or Swap.The icon represents the active call and the icon represents the callon hold.End the active call• Press .The held call becomes the active call.Send touch tonesWhen you press the keys during a call, your phone generates soundsknown as touch tones. Use touch tones to access many automated, over-the-phone services such as voice mail, checking airline arrival/departuretimes, and bank balances.Note: You must be on an active call to send touch tones.Set touch-tone length1 Press Menu 4 5 5.2 Scroll to Short (1/10 second) or Long (1/2 second)3 Press OK.Save touch tone stringsA touch-tone string is a series of tones in a certain sequence. Use touchtone strings to send and receive information with your phone. For example,you can save your office voice mailbox number along with your passwordfor easy access to your messages.Store touch tone strings the same way you save phone numbers (see “Savenames and numbers” on page 28).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.