B2 User Manual | Basic functions9Ending a call To end a call, press . When using call-waiting, press to end the current call.Redialling the last number you calledTo redial the number you last called, press and hold for two seconds.Adjusting the volumeThe B2 will default to the level of volume used when it was last paired with the same phone or PDA. To adjust the volume during a call, push the Control switch right to increase volume or left to decreasevolume. You can also adjust volume using the volume control on your phone or PDA. To adjust volume at other times, use the Voice Menu (see "Voice Menu" on page 10).Changing the call to your phone or PDATo change a call from the B2 to your phone or PDA, press .You can then change the call back to the B2 by pressing again.Sending tone sounds for voice mail and other servicesTo use voice mail and other phone-based services, you can use the B2 to send tone sounds:1. During a call, press the Control switch.The B2 will say "0".2. Push the Control switch left or right to navigate through the numbers and symbols.3. To send a number or symbol, push the Control switch.