Communication84Use options during a voice call›You can use the following options while a voice call is inprogress:To adjust the voice volume, press the Volume key up or●down.To place a call on hold, select● Hold. To retrieve a held call,select Unhold.To dial a second call, select● Add call, and then dial a newnumber.To answer a second call, drag● in any direction until itreaches the border of the circle when a call waiting tonesounds. The device asks whether to end or hold the first call.You must subscribe to the call waiting service to use thisfeature.To open the dialling screen, select● Keypad.To turn off the microphone so that the other party cannot●hear you, select Mute.To listen and talk to the other party via a Bluetooth headset,●select Headset.To open the phonebook, select● Contacts.To switch between two calls, select● Swap.To make a multiparty call (conference call), make or●answer a second call and select Merge when connectedto the second party. Repeat to add more parties. You mustsubscribe to the multiparty call service to use this feature.