Make calls103loudspeaker of your device, select Options > Activatehandset.To adjust the volume during a video call, use the volumekey on the side of the device.To use the main camera for sending video, open the lenscover in the back. To switch to the secondary camera,select Options > Use secondary camera. To switch back tothe main camera, select Options > Use main camera.To end the video call, press .Video sharingUse Video sharing (network service) to send live video or avideo clip from your mobile device to another compatiblemobile device during a voice call.The loudspeaker is active when you activate Videosharing. If you do not want to use the loudspeaker for thevoice call while you share video, you can also use acompatible headset.Video sharing requirementsBecause Video sharing requires a UMTS connection, yourability to use Video sharing depends on the UMTS networkavailability. Contact your service provider for moreinformation on the service and network availability, andfees associated with using this service.To use Video sharing you must do the following:• Ensure that your device is set up for person-to-personconnections. See ‘Settings’, p. 103.• Ensure you have an active UMTS connection and arewithin UMTS network coverage. See ‘Settings’, p. 103.If you start the sharing session while you are withinUMTS network coverage and a handover to GSMoccurs, the sharing session is discontinued, but yourvoice call continues. You cannot start Video sharing ifyou are not within UMTS network coverage.• Ensure that both the sender and recipient areregistered to the UMTS network. If you invite someoneto a sharing session and the recipient’s device is notwithin UMTS network coverage, or does not have Videosharing installed or person-to-person connections setup, the recipient does not know that you are sending aninvitation. You receive an error message that therecipient cannot accept the invitation.SettingsPerson-to-person connection settingsA person-to-person connection is also known as a SessionInitiation Protocol (SIP) connection. The SIP profile settings