Communication70Use options during a voice call›You can use the following options during a voice call:To adjust the voice volume, press the Volume key up or●down.To place a call on hold, select● . To retrieve a held call, select.To dial a second call, select● Add call, and then dial a newnumber.To answer a second call, drag● outside of the large circlewhen a call waiting tone sounds. The device asks whetherto end or hold the first call. You must subscribe to the callwaiting service to use this feature.To open the dialling screen, select● Keypad.To activate the speakerphone feature, select● Speaker.In noisy environments, you may have difficulty hearingsome calls while using the speakerphone feature. Forbetter audio performance, use the normal phone mode.To turn off the mouthpiece so that the other party cannot●hear you, select Mute.To converse with the other party via a Bluetooth headset,●select Headset.To open the phonebook, press [● ] → Contacts.To add a memo, press [● ] → Memo.To switch between two calls, select● Swap.To make a multiparty call (conference call), make or answer●a second call, and then select Merge when connected tothe second party. Repeat to add more parties. You mustsubscribe to the multiparty call service to use this feature.